Christmas Themed Homepage (#2608)

## Description:
Adds the following:
- Snowflake animation with snowflakes falling from the top to the bottom
of the screen
- Changed homepage color theme from blue and white to Green and Red.
Also changed the openfront logo to a red, green, and white gradient.
- Added a santa hat on the announcements button

## Please complete the following:
- [x] I have added screenshots for all UI updates
- [ ] I process any text displayed to the user through translateText()
and I've added it to the en.json file
- [ ] I have added relevant tests to the test directory
- [ ] I confirm I have thoroughly tested these changes and take full
responsibility for any bugs introduced

<img width="1616" height="836" alt="Screenshot 2025-12-12 at 3 01 17 PM"
src="https://github.com/user-attachments/assets/82e29db3-3bc0-4392-b5bf-dd57c15784a3"
/>

<img width="1616" height="836" alt="Screenshot 2025-12-12 at 2 58 54 PM"
src="https://github.com/user-attachments/assets/232da646-6923-4966-acba-5240074e7e3f"
/>


## Please put your Discord username so you can be contacted if a bug or
regression is found:

Restart

---------

Co-authored-by: coderabbitai[bot] <136622811+coderabbitai[bot]@users.noreply.github.com>

src/client/components/baseComponents/Modal.ts

@@ -70,10 +70,10 @@ export class OModal extends LitElement {
       backdrop-filter: blur(8px);
     }
   `;
+
   public open() {
     this.isModalOpen = true;
   }
-
   public close() {
     this.isModalOpen = false;
     this.dispatchEvent(