- .github gh-pages workflow added (generate doxygen doc & push)

- Removal of unneeded .travis.yml & references (not used anymore)

.travis.yml

@@ -1,29 +0,0 @@
-language: c
-
-addons:
-  apt:
-    packages:
-      - graphviz
-
-# Blacklist
-branches:
-  except:
-    - gh-pages
-
-env:
-  global:
-     - PRETTYNAME="cI2C: Arduino Hardware I2C for AVR (in plain c)"
-     - GH_REPO_NAME: cI2C
-     - GH_REPO_REF: github.com/SMFSW/cI2C.git
-     - DOXYFILE: $TRAVIS_BUILD_DIR/Doxyfile.auto
-
-before_install:
-   - source <(curl -SLs https://raw.githubusercontent.com/SMFSW/travis-ci-arduino/master/install.sh)
-
-script:
-   - build_avr_platforms
-
-# Generate and deploy documentation
-after_success:
-  - source <(curl -SLs  https://raw.githubusercontent.com/SMFSW/travis-ci-arduino/master/library_check.sh)
-  - source <(curl -SLs  https://raw.githubusercontent.com/SMFSW/travis-ci-arduino/master/doxy_gen_and_deploy.sh)

README.md

@@ -1,4 +1,4 @@
-# cI2C [![Build Status](https://travis-ci.com/SMFSW/cI2C.svg?branch=master)](https://travis-ci.com/SMFSW/cI2C)
+# cI2C
 
 Arduino Hardware I2C for AVR (plain c)