Implemented REST Mock tool

Co-authored-by: widlam <mikolaj.widla@gmail.com>
Co-authored-by: Adam Bem <adam.bem@zoho.eu>
Reviewed-on: #231
Reviewed-by: Adam Bem <bema@noreply.example.com>
Co-authored-by: Mikolaj Widla <widlam@noreply.example.com>
Co-committed-by: Mikolaj Widla <widlam@noreply.example.com>

Frontend/src/style.css

@@ -3,9 +3,9 @@
 @tailwind utilities;
 
 .tool-button {
-    @apply py-1 px-4 rounded-full w-fit bg-gradient-to-r from-blue-400 to-blue-300 dark:text-white dark:from-sky-600 dark:to-sky-800 hover:bg-blue-400
+    @apply py-1 px-4 rounded-full bg-gradient-to-r from-blue-300 to-sky-200  dark:text-white dark:from-sky-600 dark:to-sky-800 hover:bg-blue-400
 }
 
 .text-field {
-    @apply w-full h-full resize-none font-mono bg-white dark:text-slate-100 dark:bg-gray-600 border border-slate-400 p-2 rounded-md
+    @apply w-full font-mono dark:text-slate-100 dark:bg-gray-600 border border-slate-400 p-2 rounded-lg
 }