Add drone.yml

.drone.yml

@@ -0,0 +1,10 @@
+kind: pipeline
+type: docker
+name: default
+
+steps:
+- name: test
+  image: silex/emacs:28.1-ci
+    
+  commands:
+    - emacs -L ./ -batch -l ert -l ./phpinspect.el -l ./test/phpinspect-test.el -f ert-run-tests-batch-and-exit