Added some comments for myself

internal/server/router.go

@@ -13,6 +13,9 @@ import (
 )
 
 // fx.In allows fx to inject multiple dependencies
+
+// I think we could just put all thses in SetupRouter() but in this way we are first defining the dependencies we need
+// and by using fx.In we say that whenever RouterParams was needed, inject dependensies into it and give it to SetupRouter()
 type RouterParams struct {
 	fx.In