style: add prettier task on pre-commit hook with husky and lint-staged

Author: citizensas

.huskyrc.json

@@ -0,0 +1,5 @@
+{
+  "hooks": {
+    "pre-commit": "lint-staged"
+  }
+}

.lintstagedrc.json

@@ -0,0 +1,4 @@
+{
+    "*.{ts,tsx}": ["npm run lint:fix", "prettier --write"],
+    "*.{js,jsx,css,md}": ["prettier --write"]
+}

package.json

@@ -23,6 +23,7 @@
     "conventional-changelog-cli": "2.0.31",
     "fetch-mock": "6.5.2",
     "http-server": "0.12.1",
+    "husky": "4.2.5",
     "istanbul-instrumenter-loader": "3.0.1",
     "karma": "5.0.1",
     "karma-chrome-launcher": "3.1.0",
@@ -83,17 +84,6 @@
     "Hovhannes Babayan <bhovhannes@gmail.com>",
     "Sassoun Derderian <citizen.sas@gmail.com>"
   ],
-  "lint-staged": {
-    "*.{ts,tsx}": [
-      "npm run lint:fix",
-      "prettier --write",
-      "git add"
-    ],
-    "*.{js,jsx,css,md}": [
-      "prettier --write",
-      "git add"
-    ]
-  },
   "license": "Apache-2.0",
   "bugs": {
     "url": "https://github.com/Workfront/workfront-api/issues"