web/dialog: css for small dialog

- moved backdrop to each dialog
- dialog is now closable by clicking the backdrop
- added meowbalt to dialogs
- added more meowbalt assets & components
- added "main" boolean to indicate the main action button in a list of buttons

web/src/lib/types/dialog.ts

@@ -1,14 +1,16 @@
 export type DialogButton = {
     text: string,
     color: string,
+    main: boolean,
     action: () => unknown | Promise<unknown>
 }
 
 export type DialogInfo = {
     id: string,
     type: "small",
+    meowbalt: "error",
     title: string,
     bodyText: string,
     bodySubText: string,
-    buttons: DialogButton[]
+    buttons: DialogButton[],
 }