ci: add benchmark workflow

.github/gobenchdata-checks.yml

@@ -0,0 +1,11 @@
+checks:
+    - name: My Check
+      description: |-
+        Define a check here - in this example, we caculate % difference for NsPerOp in the diff function.
+        diff is a function where you receive two parameters, current and base, and in general this function
+        should return a negative value for an improvement and a positive value for a regression.
+      package: .
+      benchmarks: []
+      diff: (current.NsPerOp - base.NsPerOp) / base.NsPerOp * 100
+      thresholds:
+        max: 10

.github/workflows/benchmark.yml

@@ -0,0 +1,35 @@
+on:
+  push:
+    branches:
+      - master
+      - main
+    paths:
+      - "**"
+      - "!**.md"
+  pull_request:
+    paths:
+      - "**"
+      - "!**.md"
+
+name: Run Benchmarks
+jobs:
+  publish:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Install Go
+        uses: actions/setup-go@v4
+        with:
+          go-version: "1.21.x"
+      - name: Publish Benchmarks
+        run: go run github.com/efectn-forks/gobenchdata@latest action
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          INPUT_PRUNE_COUNT: 30
+          INPUT_GO_TEST_FLAGS: -cpu 1,2
+          INPUT_PUBLISH: true
+          INPUT_CHECKS: true
+          INPUT_CHECKS_CONFIG: .github/gobenchdata-checks.yml
+          INPUT_SUBDIRECTORY: ace amber django handlebars html jet mustache pug slim
+          INPUT_PUBLISH_BRANCH: gh-pages