feat: Add event collection and event page structure

- Introduced a new events collection in config.ts with schema validation.
- Created a new event markdown file for the WarGear event.
- Updated German translations to include new event-related strings.
- Modified PageLayout to support a wide layout option.
- Enhanced announcements page to improve tag filtering and post rendering.
- Implemented dynamic event pages with detailed event information and fight plans.
- Added an index page for events to list all upcoming events.

src/components/event/team-hover.svelte.ts

@@ -0,0 +1,19 @@
+import { get, writable } from "svelte/store";
+import { fightConnector } from "./connections.svelte";
+
+class TeamHoverService {
+    public currentHover = $state<number | undefined>(undefined);
+    private fightConnector = get(fightConnector);
+
+    setHover(teamId: number): void {
+        this.currentHover = teamId;
+        this.fightConnector.addTeamConnection(teamId);
+    }
+
+    clearHover(): void {
+        this.currentHover = undefined;
+        this.fightConnector.clearConnections();
+    }
+}
+
+export const teamHoverService = writable(new TeamHoverService());