[EN] Documentation TODOs

This page is intended to be a track list for OpenXRay developers.

Document this:

• https://github.com/OpenXRay/xray-16/pull/1114
• https://github.com/OpenXRay/xray-16/pull/1149
• https://github.com/OpenXRay/xray-16/pull/1248
• https://github.com/OpenXRay/xray-16/pull/1337
• https://github.com/OpenXRay/xray-16/pull/1401
• https://github.com/OpenXRay/xray-16/pull/1414
• https://github.com/OpenXRay/xray-16/pull/1462
• https://github.com/OpenXRay/xray-16/pull/1463
• https://github.com/OpenXRay/xray-16/commit/bae660595ff1c26f67dfa1b9d617e8f649c28dff