Fix issue that was causing Lovelace to not spread across columns.

src/frigate-hass-card.ts

@@ -1035,7 +1035,7 @@ export class FrigateCard extends LitElement {
   }
 
   // Get the Lovelace card size.
-  static getCardSize(): number {
-    return 5;
+  public getCardSize(): number {
+    return 6;
   }
 }