Allow super admin to create users and reset password (#238)

1. Add user creation and password reset dialog functionalities; added Junie guidelines

Introduced new `AdminCreateUserDialog` and `AdminResetPasswordDialog` components for managing user accounts in the admin panel. Updated the `AdminAccountsTable` page with a button for user creation and implemented backend logic for password resets with robust error handling.

2. Added Jetbrains AI guidelines

.aiignore

@@ -0,0 +1,27 @@
+# An .aiignore file follows the same syntax as a .gitignore file.
+# .gitignore documentation: https://git-scm.com/docs/gitignore
+
+# you can ignore files
+.DS_Store
+*.log
+*.tmp
+
+# or folders
+dist/
+build/
+out/
+
+.cursor
+.cursorignore
+database.types.ts
+playwright-report
+test-results
+web/supabase/migrations
+pnpm-lock.yaml
+.env.local
+.env.production.local
+.idea
+.vscode
+.zed
+tsconfig.tsbuildinfo
+.windsurfrules