feat: drop gRPC approach for Scriggo

Author: saitho

example/README.md

@@ -1,5 +1,5 @@
+TBD
+
 ```shell
-git submodule add https://github.com/getstackhead/pluginlib
 
-protoc --go_out=. --go_opt=paths=source_relative --go-grpc_out=. --go-grpc_opt=paths=source_relative pluginlib/stackhead.proto
 ```

example/main.go

@@ -0,0 +1,6 @@
+package pluginlib
+
+func StackHeadExecute(command string) {
+	// mock function
+	// behaviour is implemented in StackHead main repository
+}