update pipeline for master branch

.drone.yml

@@ -1,17 +1,27 @@
 kind: pipeline
 type: docker
-name: 1
+name: masterpipe
 platform:
   os: linux
   arch: arm64
+
+volumes:
+  - name: cache 
+    host:
+      path: /var/lib/cache
 steps:
 - name: maven
   image: maven:3-jdk-10
+  volumes:
+    - name: cache 
+      path: /root/.m2 
   commands:
   - mvn compile
-
-- name: maven
+- name: test
   image: maven:3-jdk-10
+  volumes:
+    - name: cache 
+      path: /root/.m2 
   commands:
   - mvn test