DM: add travis

.travis.yml

@@ -0,0 +1,27 @@
+language: c
+sudo: false
+
+# Blacklist
+branches:
+  except:
+    - gh-pages
+
+env:
+  global:
+     - PRETTYNAME="Adafruit ZeroFFT Arduino Library"
+# Optional, will default to "$TRAVIS_BUILD_DIR/Doxyfile"
+#    - DOXYFILE: $TRAVIS_BUILD_DIR/Doxyfile
+
+before_install:
+   - source <(curl -SLs https://raw.githubusercontent.com/adafruit/travis-ci-arduino/dm-zero/install.sh)
+
+install:
+   - arduino --install-library "Adafruit ILI9341","Adafruit GFX Library","Adafruit Circuit Playground","Adafruit Zero PDM Library"
+
+script:
+   - build_samd_platforms
+
+# Generate and deploy documentation
+after_success:
+  - source <(curl -SLs  https://raw.githubusercontent.com/adafruit/travis-ci-arduino/master/library_check.sh)
+  - source <(curl -SLs  https://raw.githubusercontent.com/adafruit/travis-ci-arduino/master/doxy_gen_and_deploy.sh)