chore: added bencher to track benchmarks

.github/workflows/track_benchmarks.yml

@@ -0,0 +1,42 @@
+name: Track Benchmark
+
+on:
+  push:
+    paths-ignore: ["docs/**", "**.md"]
+    branches:
+      - main
+
+jobs:
+  track_benchmark_with_bencher:
+    name: Track Benchmarks with Bencher
+    permissions:
+      pull-requests: write
+      contents: write
+    runs-on: benchmarking-runner
+    env:
+      BENCHER_PROJECT: tailcall
+      BENCHER_TESTBED: benchmarking-runner
+      BENCHER_ADAPTER: rust_criterion
+    steps:
+      - name: Check out code
+        uses: actions/checkout@v4
+        with:
+          ref: ${{ github.event.pull_request.head.sha }}
+
+      - name: Install rust toolchain
+        uses: dtolnay/rust-toolchain@stable
+
+      - name: Install Bencher CLI
+        uses: bencherdev/bencher@main
+
+      - name: Track base Benchmarks
+        run: |
+          bencher run \
+          --if-branch '${{ github.event.pull_request.head.ref }}' \
+          --else-if-branch '${{ github.event.pull_request.base.ref }}' \
+          --else-if-branch main \
+          --token "${{ secrets.BENCHER_API_TOKEN }}" \
+          --ci-id '${{ github.event.pull_request.number }}' \
+          --github-actions "${{ secrets.GITHUB_TOKEN }}" \
+          --err \
+          'cargo bench'