Update .travis.yml

Author: probonopd

.travis.yml

@@ -3,3 +3,11 @@ sudo: true
 notifications: false
 script:
   - bash -x recipes/subsurface.sh
+deploy:
+  provider: releases
+  file_glob: true
+  api_key:
+    secure: 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
+  file: ${TRAVIS_BUILD_DIR}/Subsurface/Subsurface*.AppImage
+  on:
+    tags: true