Add .gitignore.
Add .gitignore.

robbiethegeek/pattern-lab-workshop,robbiethegeek/demo-workshopper,chrisbay/sql-selections,robbiethegeek/demo-workshopper,claudiopro/demo-workshopper,EvanLovely/pattern-lab-workshop,phase2/pattern-lab-workshop,robbiethegeek/pattern-lab-workshop,claudiopro/demo-workshopper,linclark/demo-workshopper,chrisbay/sql-selections,nhufinney/pattern-lab-workshop,tjheffner/pattern-lab-workshop,nhufinney/pattern-lab-workshop,phase2/pattern-lab-workshop,EvanLovely/pattern-lab-workshop,linclark/demo-workshopper,tjheffner/pattern-lab-workshop