Added Web Build and GitHub Pages Deployment Automation

.github/workflows/github_pages_build.yml

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+name: 🚀 Deploy Github Pages Demo
+on:
+  workflow_dispatch:
+  repository_dispatch:
+
+# Sets permissions of the GITHUB_TOKEN to allow deployment to GitHub Pages
+permissions:
+  contents: read
+  pages: write
+  id-token: write
+
+# Stop the same workflow actions
+concurrency:
+  group: ${{github.workflow}}-${{github.event.pull_request.number || github.run_id}}
+  cancel-in-progress: true
+
+# Environment variables for the job
+env:
+  GODOT_VERSION: 4.1.1
+  PROJECT_PATH: dd3d_web_build
+
+jobs:
+  build:
+    name: 🌐 Build Project
+    runs-on: ubuntu-20.04
+    container:
+      image: barichello/godot-ci:4.1.1
+    steps:
+      - name: Check out code
+        uses: actions/checkout@v3
+        with:
+          lfs: true
+
+      - name: Setup
+        run: |
+          mkdir -v -p ~/.local/share/godot/export_templates
+          mv /root/.local/share/godot/export_templates/${GODOT_VERSION}.stable ~/.local/share/godot/export_templates/${GODOT_VERSION}.stable
+
+      - name: Prepare Web Build
+        run: |
+          cp -r addons ${PROJECT_PATH}/addons
+          cp -r examples_dd3d ${PROJECT_PATH}/examples_dd3d
+
+      - name: Import Assets
+        run: godot -v -e --headless --path ${PROJECT_PATH} --quit || true
+
+      - name: Web Build
+        run: |
+          mkdir ${GITHUB_WORKSPACE}/_site
+          cp ${PROJECT_PATH}/coi-serviceworker.min.js ${GITHUB_WORKSPACE}/_site/coi-serviceworker.min.js
+          godot -v --headless --path ${PROJECT_PATH} --export-release web ${GITHUB_WORKSPACE}/_site/index.html
+
+      - name: Fix Permissions
+        run: |
+          chmod -c -R +rX "_site/" | while read line; do
+            echo "::warning title=Invalid file permissions automatically fixed::$line"
+          done
+
+      - name: Upload Site Artifact
+        uses: actions/upload-pages-artifact@v1
+        with:
+          name: github-pages
+
+  deploy:
+    name: 🚀 Deploy Site
+    environment:
+      name: github-pages
+      url: ${{ steps.deployment.outputs.page_url }}
+    runs-on: ubuntu-latest
+    needs: build
+    steps:
+      - name: Deploy to GitHub Pages
+        id: deployment
+        uses: actions/deploy-pages@v2

dd3d_web_build/.gitattributes

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+# Normalize EOL for all files that Git considers text files.
+* text=auto eol=lf

dd3d_web_build/.gitignore

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+# Godot 4+ specific ignores
+.godot/
+
+# Copied files for testing
+examples_dd3d/
+addons/
+
+# Exported builds
+build/

dd3d_web_build/README.md

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+# Web Build
+
+Setup repo following guide from [Debug drawing utility for Godot](../addons/debug_draw_3d/README.md)
+
+Ensure you have the [Godot Export Templates for v4.1.1-stable](https://github.com/godotengine/godot/releases/download/4.1.1-stable/Godot_v4.1.1-stable_export_templates.tpz).
+This requires having installed the `web_dlink_debug.zip` template.
+Or you can compile one yourself with godot, see [Compiling for Web: GDExtension](https://docs.godotengine.org/en/stable/contributing/development/compiling/compiling_for_web.html#gdextension)
+
+```PowerShell
+# Copy addons to project
+cp -r addons/ dd3d_web_build/addons/
+
+# Copy examples to project
+cp -r examples_dd3d/ dd3d_web_build/examples_dd3d/
+
+# Build the project for web platform with godot
+mkdir -p dd3d_web_build/build
+cp dd3d_web_build/coi-serviceworker.min.js dd3d_web_build/build/coi-serviceworker.min.js
+godot -e --headless --path dd3d_web_build --quit
+godot --headless --path dd3d_web_build --export-release web
+
+# Host site locally via python
+python -m http.server --directory dd3d_web_build/build
+```

dd3d_web_build/export_presets.cfg

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+[preset.0]
+
+name="web"
+platform="Web"
+runnable=true
+dedicated_server=false
+custom_features="forced_dd3d"
+export_filter="all_resources"
+include_filter=""
+exclude_filter=""
+export_path="build/DebugDrawDemo.html"
+encryption_include_filters=""
+encryption_exclude_filters=""
+encrypt_pck=false
+encrypt_directory=false
+
+[preset.0.options]
+
+custom_template/debug=""
+custom_template/release=""
+variant/extensions_support=true
+vram_texture_compression/for_desktop=true
+vram_texture_compression/for_mobile=true
+html/export_icon=true
+html/custom_html_shell=""
+html/head_include="<script src=\"coi-serviceworker.min.js\"></script>"
+html/canvas_resize_policy=2
+html/focus_canvas_on_start=true
+html/experimental_virtual_keyboard=false
+progressive_web_app/enabled=false
+progressive_web_app/offline_page=""
+progressive_web_app/display=1
+progressive_web_app/orientation=0
+progressive_web_app/icon_144x144=""
+progressive_web_app/icon_180x180=""
+progressive_web_app/icon_512x512=""
+progressive_web_app/background_color=Color(0, 0, 0, 1)

dd3d_web_build/icon.svg.import

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+[remap]
+
+importer="texture"
+type="CompressedTexture2D"
+uid="uid://1ju8du5cumca"
+path="res://.godot/imported/icon.svg-218a8f2b3041327d8a5756f3a245f83b.ctex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://icon.svg"
+dest_files=["res://.godot/imported/icon.svg-218a8f2b3041327d8a5756f3a245f83b.ctex"]
+
+[params]
+
+compress/mode=0
+compress/high_quality=false
+compress/lossy_quality=0.7
+compress/hdr_compression=1
+compress/normal_map=0
+compress/channel_pack=0
+mipmaps/generate=false
+mipmaps/limit=-1
+roughness/mode=0
+roughness/src_normal=""
+process/fix_alpha_border=true
+process/premult_alpha=false
+process/normal_map_invert_y=false
+process/hdr_as_srgb=false
+process/hdr_clamp_exposure=false
+process/size_limit=0
+detect_3d/compress_to=1
+svg/scale=1.0
+editor/scale_with_editor_scale=false
+editor/convert_colors_with_editor_theme=false

dd3d_web_build/project.godot

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+; Engine configuration file.
+; It's best edited using the editor UI and not directly,
+; since the parameters that go here are not all obvious.
+;
+; Format:
+;   [section] ; section goes between []
+;   param=value ; assign values to parameters
+
+config_version=5
+
+[application]
+
+config/name="Debug Drawing Utility for Godot"
+run/main_scene="res://examples_dd3d/DebugDrawDemoScene.tscn"
+config/features=PackedStringArray("4.1", "GL Compatibility")
+config/icon="res://icon.svg"
+
+[rendering]
+
+renderer/rendering_method="gl_compatibility"
+renderer/rendering_method.mobile="gl_compatibility"
+textures/vram_compression/import_etc2_astc=true