add tag support

Signed-off-by: Vasiliy Tolstov <v.tolstov@unistack.org>

micro.go

@@ -22,7 +22,7 @@ func (g *Generator) microGenerate(component string, plugin *protogen.Plugin, gen
 		gfile := plugin.NewGeneratedFile(gname, path)
 
 		gfile.P("// Code generated by protoc-gen-micro")
-		gfile.P("// source: ", *file.Proto.Name)
+		gfile.P("// source: ", file.Proto.GetName())
 		gfile.P("package ", file.GoPackageName)
 		gfile.P()