feat: 增加 commitlint，每次 commit 信息都会做校验

.gitignore

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+node_modules

commitlint.config.js

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+const types = [
+    'build', 
+    'ci', 
+    'chore',
+    'docs', 
+    'feat', 
+    'fix', 
+    'pref', 
+    'refactor', 
+    'revert', 
+    'style', 
+    'test'
+  ];
+
+typeEnum = {
+rules: {
+    'type-enum': [2, 'always', types]
+},
+value: () => types
+}
+
+module.exports = {
+    extends: [
+    "@commitlint/config-conventional"
+    ],
+    rules: {
+    'type-case': [0],
+    'type-empty': [0],
+    'scope-empty': [0],
+    'scope-case': [0],
+    'subject-full-stop': [0, 'never'],
+    'subject-case': [0, 'never'],
+    'header-max-length': [0, 'always', 72],
+    'type-enum': typeEnum.rules['type-enum']
+    }
+};

package.json

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+{
+  "name": "knowledge-kit",
+  "version": "1.0.0",
+  "description": "大前端知识小集",
+  "main": "index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/FantasticLBP/knowledge-kit.git"
+  },
+  "keywords": [],
+  "author": "",
+  "license": "ISC",
+  "bugs": {
+    "url": "https://github.com/FantasticLBP/knowledge-kit/issues"
+  },
+  "homepage": "https://github.com/FantasticLBP/knowledge-kit#readme",
+  "devDependencies": {
+    "@commitlint/cli": "^8.3.5",
+    "@commitlint/config-conventional": "^8.3.4",
+    "husky": "^4.2.3"
+  },
+  "husky": {
+    "hooks": {
+        "commit-msg": "commitlint -E HUSKY_GIT_PARAMS"
+    }
+  }
+}