Create CONTRIBUTE.md

Creating a CONTRIBUTE file to /blog.
Update Contribute.md

Adding link to CLA agreement
Update Contribute.md

bla bla blah
Merge pull request #5 from litnerdy/testing

Update Contribute.md
rename to contributing.md

haha no wonder it didn't work
Update Contributing.md

removed bla bla blah
Merge pull request #7 from beckylebar/master

Update Contributing.md
Merge pull request #8 from bekkibolthouse/master

trying to see if i'll get the pr message...