Attempt to implement CI

.drone.yml

@@ -0,0 +1,10 @@
+---
+name: default
+kind: pipeline
+type: docker
+
+steps:
+- name: build
+  image: gcc
+  commands:
+  - ./test.sh

test.sh

@@ -0,0 +1,7 @@
+#!/bin/bash
+FILES=*/*/*.cpp
+
+for f in $FILES
+do
+  gcc $f -lstdc++ -o /dev/null
+done