chore(contributing): Added git commit guidelines
chore(contributing): Added git commit guidelines

dlabrecq/patternfly-ng,patternfly/patternfly-ng,patternfly/patternfly-ng,dlabrecq/patternfly-ng,patternfly/patternfly-ng,dlabrecq/patternfly-ng,patternfly/patternfly-ng,dlabrecq/patternfly-ng