Fetch plugin logs from server (#193)

Co-authored-by: Jesse Hallam <jesse.hallam@gmail.com>

Makefile

@@ -278,6 +278,14 @@ ifneq ($(HAS_WEBAPP),)
 endif
 	rm -fr build/bin/
 
+.PHONY: logs
+logs:
+	./build/bin/pluginctl logs $(PLUGIN_ID)
+
+.PHONY: logs-watch
+logs-watch:
+	./build/bin/pluginctl logs-watch $(PLUGIN_ID)
+
 # Help documentation à la https://marmelab.com/blog/2016/02/29/auto-documented-makefile.html
 help:
 	@cat Makefile build/*.mk | grep -v '\.PHONY' |  grep -v '\help:' | grep -B1 -E '^[a-zA-Z0-9_.-]+:.*' | sed -e "s/:.*//" | sed -e "s/^## //" |  grep -v '\-\-' | sed '1!G;h;$$!d' | awk 'NR%2{printf "\033[36m%-30s\033[0m",$$0;next;}1' | sort