chore(deps): add prettier

package.json

@@ -18,7 +18,8 @@
     "docs": "node tools/update-readme.js",
     "prepublish": "npm run docs && npm run --if-present build",
     "build": "textlint-scripts build",
-    "watch": "textlint-scripts build --watch"
+    "watch": "textlint-scripts build --watch",
+    "prettier": "prettier --write \"**/*.{js,jsx,ts,tsx,css}\""
   },
   "repository": {
     "type": "git",
@@ -30,14 +31,34 @@
   "homepage": "https://github.com/textlint-ja/textlint-rule-ja-no-redundant-expression",
   "devDependencies": {
     "add-text-to-markdown": "^2.0.0",
-    "textlint-scripts": "^1.2.2"
+    "husky": "^1.3.1",
+    "lint-staged": "^8.1.0",
+    "prettier": "^1.15.3",
+    "textlint-scripts": "^2.1.0"
   },
   "dependencies": {
     "kuromojin": "^1.3.2",
     "morpheme-match": "^1.2.1",
-    "morpheme-match-all": "^1.2.0"
+    "morpheme-match-all": "^1.2.0",
+    "textlint-rule-helper": "^2.1.0"
   },
   "keywords": [
     "textlintrule"
-  ]
-}
+  ],
+  "prettier": {
+    "singleQuote": false,
+    "printWidth": 120,
+    "tabWidth": 4
+  },
+  "husky": {
+    "hooks": {
+      "precommit": "lint-staged"
+    }
+  },
+  "lint-staged": {
+    "*.{js,jsx,ts,tsx,css}": [
+      "prettier --write",
+      "git add"
+    ]
+  }
+}