Major refactor into type safe TS

With a risk oof rolling it all back

src/managers/GridManager.ts

@@ -264,7 +264,7 @@ export class GridManager {
   /**
    * Get layout config for current view
    */
-  private getLayoutConfig(): any {
+  private getLayoutConfig(): { columnCount: number; type: string } {
     switch (this.currentView) {
       case 'week':
         return {