Make card work offline by removing CDN dependency and bundling all dependencies locally (#55)

* Refactor: update LitElement import to use local package

* Feature: add .gitignore to exclude node_modules, dist, and package-lock.json

* Refactor: update GitHub Actions workflow to use latest actions and Node.js version

* Fix: correct JSON structure in hacs.json by ensuring proper formatting

* Refactor: update devDependencies to latest versions

* Feature: update .gitignore to exclude package-lock.json and ensure proper formatting
Add: create package-lock.json with dependencies and devDependencies for the project

* Fix: update release workflow to trigger only on published releases

Author: vordenken

.github/workflows/release.yml

@@ -2,7 +2,7 @@ name: Build and Release
 
 on:
   release:
-    types: [created, published]
+    types: [published]
 
 permissions:
   contents: write
@@ -11,27 +11,19 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
-      - uses: actions/setup-node@v3
+      - uses: actions/setup-node@v4
         with:
-          node-version: 18
+          node-version: 20
 
       - name: Install dependencies
-        run: npm install
+        run: npm ci
 
       - name: Build with Rollup
         run: npm run build
 
-      - name: List dist contents
-        run: ls -la dist
-
-      - name: Prepare release asset
-        run: cp dist/price-timeline-card.js price-timeline-card.js
-
       - name: Upload build to release
-        uses: softprops/action-gh-release@v1
+        uses: softprops/action-gh-release@v2
         with:
-          files: price-timeline-card.js
-        env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          files: dist/price-timeline-card.js

.gitignore

@@ -0,0 +1,2 @@
+node_modules/
+dist/

hacs.json

@@ -1,7 +1,7 @@
 {
   "name": "HA Price Timeline Card",
-  "content_in_root": true,
-  "filename": "price-timeline-card.js"
+  "filename": "price-timeline-card.js",
+  "render_readme": true
 }