Improve .gitignore (#71)

Author: klimov-paul

.gitattributes

@@ -2,9 +2,12 @@
 # https://www.kernel.org/pub/software/scm/git/docs/gitattributes.html
 
 # Ignore all test and documentation with "export-ignore".
+/.github            export-ignore
 /.gitattributes     export-ignore
 /.gitignore         export-ignore
 /.travis.yml        export-ignore
 /phpunit.xml.dist   export-ignore
 /.scrutinizer.yml   export-ignore
+/.styleci.yml       export-ignore
+/.editorconfig      export-ignore
 /tests              export-ignore

.gitignore

@@ -1,4 +1,29 @@
+# phpstorm project files
+.idea
+
+# netbeans project files
+nbproject
+
+# zend studio for eclipse project files
+.buildpath
+.project
+.settings
+
+# windows thumbnail cache
+Thumbs.db
+
+# Mac DS_Store Files
+.DS_Store
+
+# composer
 /vendor
-build
 composer.phar
 composer.lock
+
+# phpunit
+phpunit.phar
+/phpunit.xml
+.phpunit.result.cache
+
+# build
+build