Added extra folder for additional pages


Former-commit-id: d3d11bb81c92c9c6bb088ce8bdc5760a123d0c0a
Removed sql from additions


Former-commit-id: dbd7f8c543714c7eeaaadfba71124a94d1f21f36
Updated README further. Delete *.sql


Former-commit-id: 47bfe7e80290b53c88e327fa964af97bf7749dd6