feat: Added Prettier code formatter to standardize code formatting

.vscode/settings.json

@@ -0,0 +1,4 @@
+{
+    "prettier.configPath": "./src/.prettierrc",
+    "editor.formatOnSave": true
+}

src/.prettierrc

@@ -0,0 +1,7 @@
+{
+  "trailingComma": "es5",
+  "tabWidth": 2,
+  "semi": true,
+  "singleQuote": true,
+  "arrowParens": "always"
+}

src/package.json

@@ -29,5 +29,8 @@
   },
   "repository": {
     "url": "https://github.com/lokenxo/ng2-fittext.git"
+  },
+  "devDependencies": {
+    "prettier": "^1.19.1"
   }
 }