Add Prettier as a dev dependency (#35)

Add Prettier as a dev dependency and update formatting in login.vue

Author: Vianpyro

.devcontainer/devcontainer.json

@@ -8,7 +8,8 @@
         "vscode": {
             "extensions": [
                 "esbenp.prettier-vscode",
-                "nuxtr.nuxt-vscode-extentions"
+                "nuxtr.nuxt-vscode-extentions",
+                "emeraldwalk.RunOnSave"
             ]
         }
     },

.vscode/settings.json

@@ -4,5 +4,14 @@
     "editor.formatOnSave": true,
     "files.insertFinalNewline": true,
     "files.trimFinalNewlines": true,
-    "files.trimTrailingWhitespace": true
+    "files.trimTrailingWhitespace": true,
+    "emeraldwalk.runonsave": {
+        "commands": [
+            {
+                "match": "\\.(js|ts|vue|json|css|scss|md|html)$",
+                "cmd": "npx prettier --write \"${file}\"",
+                "autoShowOutputPanel": "always"
+            }
+        ]
+    }
 }