refactor with improved developer ux in mind

- Most functions now live directly in the dbx package
- dbxp and dbxm are now ONLY the few functions that cannot be shared

internal/dbxshared/module.go

@@ -0,0 +1,5 @@
+package dbxshared
+
+import "gitea.auvem.com/go-toolkit/app"
+
+var DBModule *app.Module