add issue templates

.editorconfig

@@ -7,5 +7,6 @@ end_of_line=lf
 insert_final_newline=true
 trim_trailing_whitespace=true
 
-[*.yml]
+[*.{yml,yaml}]
 indent_style = space
+indent_size = 2

.github/ISSUE_TEMPLATE/bug_report.yml

@@ -0,0 +1,48 @@
+name: Bug Report
+description: Report a bug or unexpected behaviour with the website.
+labels: [bug]
+body:
+  - type: markdown
+    attributes:
+      value: |
+        Thanks for taking the time to report this bug!
+
+  - type: textarea
+    id: how-to-reproduce
+    attributes:
+      label: Reproduction steps
+      description: "Please describe how to reproduce the bug."
+    validations:
+      required: true
+
+  - type: textarea
+    id: expected-results
+    attributes:
+      label: Expected results
+      description: "What should happen when you follow the reproduction steps?"
+    validations:
+      required: true
+
+  - type: textarea
+    id: actual-results
+    attributes:
+      label: Actual results
+      description: "What actually happened?"
+    validations:
+      required: true
+
+  - type: input
+    id: device-and-os
+    attributes:
+        label: Device and OS
+        description: The type of device and operating system you were using when the error occurred.
+    validations:
+        required: true
+
+  - type: input
+    id: browser
+    attributes:
+      label: Browser information.
+      description: "The browser you were using and its version, if you know it."
+    validations:
+      required: true

.github/ISSUE_TEMPLATE/config.yml

@@ -0,0 +1,5 @@
+blank_issues_enabled: true
+contact_links:
+  - name: Join the Discord for support.
+    url: https://discord.quiltmc.org
+    about: Discuss the Quilt website on our Discord server.

.github/ISSUE_TEMPLATE/content_issue_report.yml

@@ -0,0 +1,16 @@
+name: Content Issue Report
+description: Report a content issue on the website.
+labels: [content issue]
+body:
+  - type: markdown
+    attributes:
+      value: |
+        Thanks for taking the time to report this content issue!
+
+  - type: textarea
+    id: description
+    attributes:
+      label: Describe the issue
+      description: "Please describe the content issue you found."
+    validations:
+      required: true

.github/ISSUE_TEMPLATE/enhancement.yml

@@ -0,0 +1,17 @@
+name: Enhancement
+description: Suggest a new feature or improvement for the website.
+labels: [enhancement]
+body:
+  - type: markdown
+    attributes:
+      value: |
+        Thanks for taking the time to suggest this enhancement!
+
+  - type: textarea
+    id: description
+    attributes:
+      label: Describe what feature(s) you want.
+      description: "Describe the enhancement in as much detail as possible. What does it do? What problem does it solve? How might it work?"
+    validations:
+      required: true
+