Add deploy configuration.

Author: tannewt

.travis.yml

@@ -2,7 +2,15 @@ sudo: false
 dist: trusty
 language: python
 python:
-    - "3.6"
-
+- '3.6'
 script:
-  - python3 -m scripts.build_mpy_cross circuitpython_build_tools/data/
+- python3 -m scripts.build_mpy_cross circuitpython_build_tools/data/
+
+
+deploy:
+  provider: pypi
+  user: "adafruit-travis"
+  password:
+    secure: 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
+  on:
+    tags: true