feat: unifood base with GET dishes (#1)

Features:
- CLI structure with verbs and resources
- Application config and parameters
- Output formatters
- Initial resource: dishes

Reviewed-on: #1
Co-authored-by: bdoerfchen <git@bissendorf.co>
Co-committed-by: bdoerfchen <git@bissendorf.co>

cmd/config.go

@@ -0,0 +1,7 @@
+package cmd
+
+type AppConfig struct {
+	OutputVerbose   bool
+	OutputFormatter string
+	PrintConfig     bool
+}