Implemented basic Vue.js frontend (#222)

Co-authored-by: Adam Bem <adam.bem@zoho.eu>
Co-authored-by: widlam <mikolaj.widla@gmail.com>
Reviewed-on: #222
Reviewed-by: Mikolaj Widla <widlam@noreply.example.com>

Frontend/.prettierrc.json

@@ -0,0 +1,8 @@
+{
+  "$schema": "https://json.schemastore.org/prettierrc",
+  "semi": false,
+  "tabWidth": 2,
+  "singleQuote": true,
+  "printWidth": 100,
+  "trailingComma": "none"
+}