feat: add new build and lint steps for PRs

.github/workflows/build.yml

@@ -0,0 +1,18 @@
+
+---
+name: Swift build
+on:
+  pull_request:
+    branches:
+      - main
+    types: [ opened, edited, reopened, synchronize ]
+    paths: 
+      - '**.swift'
+jobs:
+  build:
+    name: Swift build
+    runs-on: macos-latest
+    steps:
+      - uses: actions/checkout@v2
+      - name: build
+        run: swift build

.github/workflows/lint.yml

@@ -0,0 +1,18 @@
+name: Commitlint
+on:
+  pull_request:
+    branches: [ develop, main, release/*, release-* ]
+    types: [ opened, edited, reopened, synchronize ]
+
+jobs:
+  lint:
+    runs-on: ubuntu-latest
+    env:
+      GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+    steps:
+      - uses: actions/checkout@v2
+        with:
+          fetch-depth: 0
+      - uses: wagoid/commitlint-github-action@v1
+        with:
+          configFile: lint-config.js

lint-config.js

@@ -0,0 +1,16 @@
+module.exports = {
+  extends: ["@commitlint/config-conventional"],
+  parserPreset: {
+    parserOpts: {
+      issuePrefixes: ["[A-Z]{2,}-"],
+    },
+  },
+  rules: {
+    "references-empty": [0, "never"],
+    "header-max-length": [0, "always", 90],
+    "subject-empty": [0, "never"],
+    "type-empty": [2, "never"],
+    "footer-leading-blank": [0, "never"],
+    "scope-case": [0, "never"],
+  },
+};