feat(*): address general issues to get build working

This commit will address the following updates:

1. Update to support Node 18
2. Update dependencies
3. Update template to support latest Chalk
4. Update to latest version of Husky
5. Update template to support Sass override
6. Update src template to use Lit 2.0
7. Remove demo build process

Changes to be committed:
modified:   .github/workflows/testPublish.yml
modified:   package-lock.json
modified:   package.json
deleted:    template/demo/style.scss
modified:   template/package.json
renamed:    template/packageScripts/postinstall.js -> template/packageScripts/postinstall.mjs
modified:   template/scripts/generateDocs.js
modified:   template/scripts/postCss.js
renamed:    template/scripts/pre-commit.js -> template/scripts/pre-commit.mjs
modified:   template/src/[namespace]-[name].js
modified:   template/src/style.scss

.github/workflows/testPublish.yml

@@ -6,7 +6,7 @@ on:
   push:
     branches: [ master ]
   pull_request:
-    branches: [ master, v4.0-rc ]
+    branches: [ master]
 
 # A workflow run is made up of one or more jobs that can run sequentially or in parallel
 jobs:
@@ -15,7 +15,7 @@ jobs:
 
     strategy:
       matrix:
-        node-version: [16.x]
+        node-version: [18.x]
 
     steps:
       - uses: actions/checkout@v3
@@ -37,7 +37,7 @@ jobs:
           persist-credentials: false
       - uses: actions/setup-node@v3
         with:
-          node-version: 14
+          node-version: 18
       - run: npm ci
       - run: npm run build:markdownDocs
       - uses: cycjimmy/semantic-release-action@v3