Refunds + Upgrading/Downgrading plans (#2983)

* Refunds + Upgrading/Downgrading plans

* Servers list route

* Finish, lint

* add GAM fee to payouts

* Sync payment intent id with stripe

* fix lint, update migrations

* Remove tauri generated files

* Register refund route

* fix refund bugs

apps/app/.gitignore

@@ -2,3 +2,5 @@
 # will have compiled files and executables
 /target/
 
+# Generated by tauri, metadata generated at compile time
+/gen/