feat: side panels

Signed-off-by: Mitch Hijlkema <mitch@hijlkema.codes>

libs/_internal/controllers/src/lib/destroy.controller.ts

@@ -1,4 +1,5 @@
 import { ReactiveController, ReactiveControllerHost } from 'lit';
+
 import { Subject } from 'rxjs';
 
 export class DestroyController implements ReactiveController {
@@ -16,12 +17,13 @@ export class DestroyController implements ReactiveController {
     (this._host = host).addController(this);
   }
 
-  /** Public methods */
   public hostDisconnected() {
     this.destroy$.next();
     this.destroy$.complete();
   }
 
+  /** Public methods */
+
   /** Protected methods */
 
   /** Private methods */