style: run go fmt on every .go file (#392)

common/generics/list/list.go

@@ -5,10 +5,10 @@
 // Package list implements a doubly linked list.
 //
 // To iterate over a list (where l is a *List):
+//
 //	for e := l.Front(); e != nil; e = e.Next() {
 //		// do something with e.Value
 //	}
-//
 package list
 
 // Element is an element of a linked list.