added in static code analysis tools

.drone.yml

@@ -3,9 +3,18 @@ kind: pipeline
 name: default
 
 steps:
+- name: gosec security analysis
+  image: securego/gosec
+  commands:
+    - gosec ./...
+- name: staticcheck analysis
+  image: golang
+  commands:
+    - go install honnef.co/go/tools/cmd/staticcheck
+    - "$(go env GOPATH)/bin/staticcheck"
 - name: build, test and benchmark
   image: golang
   commands:
+  - go build -race
   - go test
   - go test -bench=.
-  - go build