ci: firebase hosting

.firebaserc

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+{
+  "projects": {
+    "default": "nepalitime-9c05b"
+  }
+}

.github/workflows/firebase-hosting.yml

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+# This file was auto-generated by the Firebase CLI
+# https://github.com/firebase/firebase-tools
+
+name: Deploy to Firebase Hosting
+
+on:
+  push:
+    branches: ['main']
+  workflow_dispatch:
+
+permissions:
+  checks: write
+  contents: read
+  pull-requests: write
+
+jobs:
+  build_and_preview:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Setup node v20
+        uses: actions/setup-node@v4
+        with:
+          node-version: 20
+          cache: 'npm'
+
+      - name: Build
+        run: npm ci && npm run build
+
+      - uses: FirebaseExtended/action-hosting-deploy@v0
+        with:
+          repoToken: ${{ secrets.GITHUB_TOKEN }}
+          firebaseServiceAccount: ${{ secrets.FIREBASE_SERVICE_ACCOUNT_NEPALITIME_9C05B }}
+          projectId: nepalitime-9c05b
+          channelId: 'main'

firebase.json

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+{
+  "hosting": {
+    "site": "nepalitime",
+    "public": "dist",
+    "ignore": ["firebase.json", "**/.*", "**/node_modules/**"],
+    "rewrites": [
+      {
+        "source": "**",
+        "destination": "/index.html"
+      }
+    ]
+  }
+}