Check in missing templates

Change-Id: Ie2534586cff13c7ba0398774b2f41dbbd606d9ec
Add something like and update/edit route

Change-Id: I68d9097e945ea9cff39fc31b85a11969f208c130
Uncommit the body field in the post form

Change-Id: If3bbdfeffd1a1cad8cf7981aa4efdc1b27f1be5a
Add an edit button to the post page

Change-Id: I13eeef3d042ef84a0675e4a7e1979f84202deb62