adding goreleaser to publish kafqa agent distribution

.gitignore

@@ -8,3 +8,4 @@ local.env
 coverage.txt
 cmd/kafqa/kafqa
 cmd/agent/agent
+dist/

.goreleaser.yml

@@ -0,0 +1,17 @@
+builds:
+- env:
+  - CGO_ENABLED=0
+  main: ./cmd/agent/main.go
+  binary: kafqa-agent
+  id: agent
+archives:
+checksum:
+  name_template: 'checksums.txt'
+snapshot:
+  name_template: "{{ .Tag }}-next"
+changelog:
+  sort: asc
+  filters:
+    exclude:
+    - '^docs:'
+    - '^test:'

.travis.yml

@@ -5,6 +5,7 @@ go: 1.12.5
 stages:
   - test
   - build
+  - deploy
 
 before_install:
   - git clone https://github.com/edenhill/librdkafka.git
@@ -34,6 +35,10 @@ jobs:
       name: "Run Golangci"
     - stage: build
       script: make clean build
+    - stage: deploy
+      if: tag is PRESENT
+      script:
+        - curl -sL https://git.io/goreleaser | bash -s -- --debug
 
 after_success:
   - bash <(curl -s https://codecov.io/bash)