refactor: changed file structure

pkg/contexts/keys.go

@@ -0,0 +1,12 @@
+package contexts
+
+type contextKey string
+
+func (c contextKey) String() string {
+	return "projectreshoot context key " + string(c)
+}
+
+var (
+	contextKeyAuthorizedUser = contextKey("auth-user")
+	contextKeyRequestTime    = contextKey("req-time")
+)