chore: Refine config form and UI components

- Add x-init hook to set default form values in config form
- Adjust scrollbar hover color in layout
- Create marker files for providers, source, and destination packages
- Remove unnecessary error styling in local source form

components/providers/source/local.templ

@@ -14,7 +14,6 @@ templ LocalSourceForm() {
 					id="source_path"
 					x-model="sourcePath"
 					required
-					x-bind:class="{'border-red-500 focus:border-red-500 focus:ring-red-500': errors.sourcePath}"
 					class="form-input pl-10 w-full rounded-lg border-secondary-300 dark:border-secondary-700 dark:bg-secondary-800 dark:text-secondary-100 focus:ring-primary-500 focus:border-primary-500"
 					placeholder="/path/to/source"/>
 			</div>

components/providers/source/source.go

@@ -0,0 +1,3 @@
+// Package source contains the UI source forms for the GoMFT application.
+// This file serves as a marker for the source package to ensure it's properly recognized by Go.
+package source