build: add commitlint script and husky commit hook (#35)

Author: polyipseity

.husky/commit-msg

@@ -0,0 +1 @@
+corepack yarn run --binaries-only commitlint --edit "$1"

.husky/pre-commit

@@ -0,0 +1 @@
+# corepack yarn test

commitlint.config.mjs

@@ -0,0 +1,9 @@
+import { RuleConfigSeverity } from "@commitlint/types";
+
+export default {
+  extends: ["@commitlint/config-conventional"],
+  rules: {
+    // Dependabot or we like long headers...
+    "header-max-length": [RuleConfigSeverity.Disabled, "always", 0],
+  },
+};

package.json

@@ -15,7 +15,9 @@
     "dev": "yarn run build && concurrently -k -p '[{name}]' -n TypeScript,App -c yellow.bold,cyan.bold yarn:watch yarn:dev:start",
     "dev:start": "fastify start --ignore-watch='.ts$' -w -l debug -P dist/src/app.js --options",
     "lint": "eslint",
-    "lint:fix": "eslint --fix"
+    "lint:fix": "eslint --fix",
+    "commitlint": "commitlint --last --strict --verbose",
+    "prepare": "husky"
   },
   "keywords": [],
   "author": "Flandia",
@@ -38,6 +40,8 @@
     "openid-client": "^6.6.2"
   },
   "devDependencies": {
+    "@commitlint/cli": "^20.1.0",
+    "@commitlint/config-conventional": "^20.0.0",
     "@eslint/js": "^9.31.0",
     "@trivago/prettier-plugin-sort-imports": "^5.2.2",
     "@types/jsonwebtoken": "^9",
@@ -49,6 +53,7 @@
     "eslint-plugin-prettier": "^5.5.3",
     "fastify-tsconfig": "^3.0.0",
     "globals": "^16.3.0",
+    "husky": "^9.1.7",
     "prettier": "3.6.2",
     "prettier-plugin-jsdoc": "^1.3.3",
     "tsx": "^4.20.3",