[CI SKIP] add cache for docker hub images

.drone.yml

@@ -4,7 +4,7 @@ name: default
 
 steps:
 - name: restore-cache-with-filesystem
-  image: meltwater/drone-cache
+  image: cache.coadcorp.com/meltwater/drone-cache
   pull: true
   settings:
     backend: "filesystem"
@@ -23,7 +23,7 @@ steps:
     path: /go
 
 - name: build
-  image: golang
+  image: cache.coadcorp.com/library/golang
   environment:
     CGO_ENABLED: 0
     GOMODCACHE: '/drone/src/pkg.mod'
@@ -60,7 +60,7 @@ steps:
   - ls -lah ./build/  
 
 - name: dell-sftp-deploy
-  image: hypervtechnics/drone-sftp
+  image: cache.coadcorp.com/hypervtechnics/drone-sftp
   settings:
     host: deft.dell.com
     username:
@@ -76,7 +76,7 @@ steps:
     verbose: true
 
 - name: rebuild-cache-with-filesystem
-  image: meltwater/drone-cache
+  image: cache.coadcorp.com/meltwater/drone-cache
   pull: true
   #when:
   #  event: