Add .travis file

Signed-off-by: Jan Losinski <[email protected]>

Author: janLo

.travis.yml

@@ -0,0 +1,19 @@
+language: python
+python:
+  - "2.7"
+
+# Cache PlatformIO packages using Travis CI container-based infrastructure
+sudo: false
+cache:
+  directories:
+    - "~/.platformio"
+
+env:
+  - PLATFORMIO_CI_SRC=examples/log_serial
+
+install:
+  # PlatformIO
+  - pip install -U platformio
+
+script:
+  - platformio ci --lib="." --board=d1_mini