added favicon to the github pages

Author: mxschmitt

.travis.yml

@@ -8,7 +8,8 @@ script:
  - ./vendor/bin/phpcs --standard=PSR2 src
  - ./vendor/bin/phpcbf --standard=PSR2 src
  - php vendor/bin/phpdoc -d src -t docs --ignore vendor/,docs/,examples/
-
+ # add the SinusBot favicon
+ - wget -q -O images/favicon.ico https://sinusbot.github.io/favicon.ico
 deploy:
  provider: pages
  github-token: $GITHUB_TOKEN