Update Gallus Pub site design and content

- Changed background and text colors in `styles.css` for a refreshed look.
- Updated logo implementation in `index.html` to use an actual image.
- Adjusted social links and opening hours information.
- Added Font Awesome library to the project configuration.
- Included new logo image in the `public` directory.

src/styles.css

@@ -7,8 +7,8 @@
 
 body {
     font-family: 'Arial', sans-serif;
-    background-color: #f5f5f5;
-    color: #333;
+    background-color: #213b28;
+    color: #ceb39b;
     line-height: 1.6;
     display: flex;
     justify-content: center;
@@ -110,7 +110,7 @@ body {
     font-style: italic;
     margin-top: 20px;
     padding: 10px;
-    background-color: #f0f0f0;
+    background-color:  #3C2A26;
     border-radius: 5px;
 }