Revert "Revert "Put keyword router endpoints on the correct side.""

This reverts commit a6c193a10ce8a786d92d621449e4a798c0a438e7.
Revert "Switch router endpoints in routing diagram such that conversation endpoints are on the left and channel endpoints are on the right"

This reverts commit 2273e6fa898e8f946f6037a0397253a6cf767e4e.