Added Drone CI build script

.drone.yml

@@ -0,0 +1,22 @@
+workspace:
+  base: /go
+  path: src/git.aiterp.net/rpdata/api
+
+pipeline:
+  environment:
+    - CGO_ENABLED=0
+  build:
+    image: golang:1.10
+    commands:
+      - dep ensure
+      - go generate ./...
+      - go build -a -installsuffix cgo -ldflags="-s -w" -o /output/${CMD} ./cmd/${CMD}
+
+matrix:
+  CMD:
+    - rpdata-graphiql
+    - rpdata-lb2charimport
+    - rpdata-lb2logimport
+    - rpdata-wikifileimport
+    - rpdata-ensurechannels
+    - rpdata-as2storyimport