add spawn ads (#1228)

## Description:

Adds a bottom rail add during the spawn phase if player has played over
5 games.
Also only show the death screen ad if player has played a couple of
games.

This keeps the experience ad-free for the first few games.
<img width="1003" alt="74fb6676-273d-4b58-9fcb-50ec438c4e27"
src="https://github.com/user-attachments/assets/fedca20f-7b31-4a06-be57-bde5bd0118f0"
/>

## Please complete the following:

- [x] I have added screenshots for all UI updates
- [x] I process any text displayed to the user through translateText()
and I've added it to the en.json file
- [x] I have added relevant tests to the test directory
- [x] I confirm I have thoroughly tested these changes and take full
responsibility for any bugs introduced
- [x] I understand that submitting code with bugs that could have been
caught through manual testing blocks releases and new features for all
contributors

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

---------

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

src/client/Utils.ts

@@ -168,3 +168,20 @@ export function getAltKey(): string {
     return "Alt";
   }
 }
+
+export function getGamesPlayed(): number {
+  try {
+    return parseInt(localStorage.getItem("gamesPlayed") || "0", 10) || 0;
+  } catch (error) {
+    console.warn("Failed to read games played from localStorage:", error);
+    return 0;
+  }
+}
+
+export function incrementGamesPlayed(): void {
+  try {
+    localStorage.setItem("gamesPlayed", (getGamesPlayed() + 1).toString());
+  } catch (error) {
+    console.warn("Failed to increment games played in localStorage:", error);
+  }
+}