refactor foundry lib structure; add transport classes for db,http,websocket; add action interface instead of multiple function that accepts action classes; add changing foundry status on websocket responses

internal/foundry/actions/errors.go

@@ -0,0 +1,9 @@
+package actions
+
+import "errors"
+
+var (
+	ErrActionNotFound  = errors.New("Action doesn't found")
+	ErrObjTypeNotMatch = errors.New("Provided value type didn't match obj field type")
+	ErrObjNotPointer   = errors.New("Passed obj is not pointer")
+)