Add rich navigation indexing action (#45431)

* Add rich navigation indexing action

* Remove dbaeumer/richNav from indexed branches

* Move lsifrc file to .github folder

* Remove dbaeumer/richNav

.github/workflow-resources/.lsifrc.json

@@ -0,0 +1,6 @@
+{
+	"project": "../../src/tsconfig.json",
+	"source": "../../package.json",
+	"package": "../../package.json",
+	"out": "../../typescript.lsif"
+}

.github/workflows/rich-navigation.yml

@@ -0,0 +1,35 @@
+name: "Rich Navigation Indexing"
+on:
+  workflow_dispatch:
+  push:
+    branches:
+      - main
+      - release-*
+  pull_request:
+    branches:
+      - main
+      - release-*
+
+jobs:
+  richnav:
+    runs-on: windows-latest
+
+    steps:
+      - uses: actions/checkout@v2
+        with:
+          fetch-depth: 5
+
+      - uses: actions/setup-node@v2
+        with:
+          node-version: 14
+
+      - name: Install dependencies
+        run:  npm ci
+
+      - uses: microsoft/RichCodeNavIndexer@v0.1
+        with:
+          languages: typescript
+          repo-token: ${{ secrets.GITHUB_TOKEN }}
+          typescriptVersion: 0.6.0-next.18
+          configFiles: .github/workflow-resources/.lsifrc.json
+        continue-on-error: true