[TASK] Add github actions

.github/FUNDING.yml

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+# These are supported funding model platforms
+
+github: # Replace with up to 4 GitHub Sponsors-enabled usernames e.g., [user1, user2]
+patreon: # Replace with a single Patreon username
+open_collective: # Replace with a single Open Collective username
+ko_fi: # Replace with a single Ko-fi username
+tidelift: # Replace with a single Tidelift platform-name/package-name e.g., npm/babel
+community_bridge: # Replace with a single Community Bridge project-name e.g., cloud-foundry
+liberapay: # Replace with a single Liberapay username
+issuehunt: # Replace with a single IssueHunt username
+lfx_crowdfunding: # Replace with a single LFX Crowdfunding project-name e.g., cloud-foundry
+polar: # Replace with a single Polar username
+buy_me_a_coffee: rudygnodde
+thanks_dev: # Replace with a single thanks.dev username
+custom: # Replace with up to 4 custom sponsorship URLs e.g., ['link1', 'link2']

.github/workflows/build.yml

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+name: 'Validate Build'
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - main
+      - dev
+
+jobs:
+  build:
+    name: Test build
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-node@v4
+        with:
+          node-version: '20'
+      - name: Build
+        run: |
+          npm install
+          npm run build

.github/workflows/hacs.yml

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+name: HACS Action
+
+on:
+  push:
+  pull_request:
+  schedule:
+    - cron: "0 0 * * *"
+
+jobs:
+  hacs:
+    name: HACS Action
+    runs-on: "ubuntu-latest"
+    steps:
+      - name: HACS Action
+        uses: "hacs/action@main"
+        with:
+          category: "plugin"

.github/workflows/protectmainbranch.yml

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+name: 'Protect main branch'
+
+on:
+  pull_request:
+
+jobs:
+  check_origin_branch:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Check origin branch
+        if: github.base_ref == 'main' && github.head_ref != 'dev'
+        run: |
+          echo "ERROR: You can only merge to main from dev."
+          exit 1

.github/workflows/release.yml

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+name: 'Build & Publish'
+
+on:
+  release:
+    types: [published]
+
+jobs:
+  release:
+    name: Prepare release
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-node@v4
+        with:
+          node-version: '20'
+
+      # Build
+      - name: Build the file
+        run: |
+          npm install
+          npm run build
+
+      # Upload build file to the release as an asset.
+      - name: Upload js to release
+        uses: svenstaro/upload-release-action@2.0.0
+        with:
+          repo_token: ${{ secrets.GITHUB_TOKEN }}
+          file: dist/multitodo.js
+          asset_name: multitodo.js
+          tag: ${{ github.ref }}
+          overwrite: true