Add yarn files and remove package-lock.json

This PR includes the following changes:
- Removed Fly.io deployment workflow (`.github/workflows/fly-deploy.yml`)
- Updated main GitHub Actions workflow ([`.github/workflows/main.yml`](command:_github.copilot.openRelativePath?%5B%7B%22scheme%22%3A%22file%22%2C%22authority%22%3A%22%22%2C%22path%22%3A%22%2Fworkspaces%2FPhlexUI-web%2F.github%2Fworkflows%2Fmain.yml%22%2C%22query%22%3A%22%22%2C%22fragment%22%3A%22%22%7D%5D "/workspaces/PhlexUI-web/.github/workflows/main.yml"))
- Updated [`.gitignore`](command:_github.copilot.openRelativePath?%5B%7B%22scheme%22%3A%22file%22%2C%22authority%22%3A%22%22%2C%22path%22%3A%22%2Fworkspaces%2FPhlexUI-web%2F.gitignore%22%2C%22query%22%3A%22%22%2C%22fragment%22%3A%22%22%7D%5D "/workspaces/PhlexUI-web/.gitignore") to reflect new changes
- Added Yarn release file ([`.yarn/releases/yarn-1.22.19.cjs`](command:_github.copilot.openRelativePath?%5B%7B%22scheme%22%3A%22file%22%2C%22authority%22%3A%22%22%2C%22path%22%3A%22%2Fworkspaces%2FPhlexUI-web%2F.yarn%2Freleases%2Fyarn-1.22.19.cjs%22%2C%22query%22%3A%22%22%2C%22fragment%22%3A%22%22%7D%5D "/workspaces/PhlexUI-web/.yarn/releases/yarn-1.22.19.cjs"))
- Added Yarn configuration file ([`.yarnrc`](command:_github.copilot.openRelativePath?%5B%7B%22scheme%22%3A%22file%22%2C%22authority%22%3A%22%22%2C%22path%22%3A%22%2Fworkspaces%2FPhlexUI-web%2F.yarnrc%22%2C%22query%22%3A%22%22%2C%22fragment%22%3A%22%22%7D%5D "/workspaces/PhlexUI-web/.yarnrc"))
- Removed `package-lock.json` to switch to Yarn

These changes are part of the migration to SQLite and Fly.io for deployment.

.github/workflows/main.yml

@@ -69,7 +69,7 @@ jobs:
           bin/rails db:test:prepare
           bin/rails test
 
-  deploy-development:
+  heroku-deploy:
     if: ${{ github.event_name == 'push' && github.ref == 'refs/heads/main' }}
     needs: [lint, test]
     runs-on: ubuntu-latest
@@ -83,3 +83,17 @@ jobs:
           heroku_api_key: ${{secrets.HEROKU_API_KEY}}
           heroku_app_name: "phlex-ui-web"
           heroku_email: "[email protected]"
+
+  fly-deploy:
+    if: ${{ github.event_name == 'push' && github.ref == 'refs/heads/main' }}
+    needs: [lint, test]
+    name: Deploy app
+    runs-on: ubuntu-latest
+    concurrency: deploy-group
+    steps:
+      - uses: actions/checkout@v4
+      - uses: superfly/flyctl-actions/setup-flyctl@master
+      - run: flyctl deploy --remote-only
+        env:
+          FLY_API_TOKEN: ${{ secrets.FLY_API_TOKEN }}
+

.gitignore

@@ -35,7 +35,4 @@
 
 /node_modules
 
-.env*
-
-/.yarn/*
-.yarnrc
+.env*