Create .travis.yml

Author: mhdcodes

.travis.yml

@@ -0,0 +1,21 @@
+language: php
+
+php:
+  - 7.4
+  - 8.0
+
+cache:
+  directories:
+    - $HOME/.composer/cache
+
+before_script:
+  - travis_retry composer self-update
+  - travis_retry composer install --no-interaction --prefer-dist
+
+script:
+  - composer test
+
+# Monitor only these branches
+branches:
+  only:
+    - master