chore: automate git hooks

Author: gajus

package.json

@@ -24,13 +24,20 @@
     "gitdown": "^2.5.4",
     "glob": "^7.1.3",
     "globby": "^8.0.1",
+    "husky": "^1.1.2",
     "marked": "^0.5.1",
     "mocha": "^5.2.0",
     "semantic-release": "^15.10.3"
   },
   "engines": {
     "node": ">=4"
   },
+  "husky": {
+    "hooks": {
+      "post-commit": "npm run create-readme && git add README.md && git commit -m 'docs: generate docs' --no-verify",
+      "pre-commit": "npm run lint && npm run test && npm run build"
+    }
+  },
   "keywords": [
     "eslint",
     "plugin",
@@ -49,7 +56,7 @@
   "scripts": {
     "add-assertions": "babel-node --presets es2015 ./src/bin/readme-assertions",
     "build": "NODE_ENV=production babel ./src --out-dir ./dist --copy-files --source-maps",
-    "generate-readme": "gitdown ./.README/README.md --output-file ./README.md && npm run add-assertions",
+    "create-readme": "gitdown ./.README/README.md --output-file ./README.md && npm run add-assertions",
     "lint": "eslint ./src ./test",
     "test": "mocha --recursive --compilers js:@babel/register"
   },