Add Contact Page and Update Navigation Links

- Updated navigation links across multiple blog pages to replace "Index" with "Home" and added "Contact" link.
- Created a new contact page with a form for user inquiries.
- Added a new contact template to render the contact page content.
- Updated blog index page to enhance structure and styling.
- Added a contact markdown file for content management.

.air.toml

@@ -2,6 +2,7 @@ root = "."
 
 [build]
   cmd = "go run main.go"
+  bin = ""
   delay = 1000
   exclude_dir = ["assets", "tmp", "vendor", "bak", "node_modules", "public"]
   include_ext = ["go", "md", "html"]