add travis ci for auto package

.gitignore

@@ -7,3 +7,4 @@
 .DS_Store
 *.iml
 \.*
+!.travis.yml

.travis.yml

+language: java
+script: mvn package
+deploy:
+  provider: releases
+  api_key:
+    secure: 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
+  file_glob: true
+  file: "target/releases/elasticsearch-analysis-ik-*.zip"
+  on:
+    tags: true