feat(app): introduce react configurations [EE-1809] (#5953)

.prettierrc

@@ -4,10 +4,20 @@
   "htmlWhitespaceSensitivity": "strict",
   "overrides": [
     {
-      "files": ["*.html"],
+      "files": [
+        "*.html"
+      ],
       "options": {
         "parser": "angular"
       }
+    },
+    {
+      "files": [
+        "*.{j,t}sx"
+      ],
+      "options": {
+        "printWidth": 80,
+      }
     }
   ]
-}
+}