chore: add commitlint and husky hooks HP-2135

.commitlintrc.json

@@ -0,0 +1,26 @@
+{
+  "extends": ["@commitlint/config-conventional"],
+  "rules": {
+    "header-max-length": [2, "always", 72],
+    "body-max-line-length": [2, "always", 72],
+    "body-leading-blank": [2, "always"],
+    "type-enum": [
+      2,
+      "always",
+      [
+        "build",
+        "chore",
+        "ci",
+        "deps",
+        "docs",
+        "feat",
+        "fix",
+        "perf",
+        "refactor",
+        "revert",
+        "style",
+        "test"
+      ]
+    ]
+  }
+}

.husky/commit-msg

@@ -0,0 +1,4 @@
+#!/usr/bin/env sh
+. "$(dirname -- "$0")/_/husky.sh"
+
+yarn commitlint --edit $1

.husky/pre-commit

@@ -0,0 +1,4 @@
+#!/usr/bin/env sh
+. "$(dirname -- "$0")/_/husky.sh"
+
+yarn test --watch=false

package.json

@@ -95,7 +95,7 @@
     "update-country-calling-codes": "esrun --tsconfig=./scripts/tsconfig.json scripts/update-country-calling-codes.ts",
     "clear-babel-cache": "rm -rf ./node_modules/.cache/@babel",
     "typecheck": "tsc --skipLibCheck --noEmit --project tsconfig.json",
-    "postinstall": "yarn update-runtime-env"
+    "postinstall": "if test \"$NODE_ENV\" != \"production\" ; then husky install ; fi && yarn update-runtime-env"
   },
   "browserslist": {
     "production": [
@@ -110,12 +110,15 @@
     ]
   },
   "devDependencies": {
+    "@commitlint/cli": "^18.4.3",
+    "@commitlint/config-conventional": "^18.4.3",
     "@graphql-codegen/cli": "^5.0.2",
     "@graphql-codegen/typescript": "^4.0.6",
     "@graphql-codegen/typescript-operations": "^4.2.0",
     "@vitest/coverage-istanbul": "^1.3.1",
     "cross-env": "^7.0.3",
     "helsinki-utils": "City-of-Helsinki/helsinki-utils-js#0.1.0",
+    "husky": "^9.0.11",
     "jsdom": "^24.0.0"
   },
   "resolutions": {