Added pipeline section to .drone.yml file

.drone.yml

@@ -1,4 +1,8 @@
-build:
+workspace:
+  base: /go
+    path: src/github.com/josebarn/drone-with-go
+pipeline:
+  build:
     image: golang:1.5
     environment:
       - GO15VENDOREXPERIMENT=1
@@ -6,7 +10,7 @@ build:
     commands:
       - go test -cover -coverprofile coverage.out
 
-publish:
+  publish:
     coverage:
       when:
         branch: master