doc: updated README file

README.md

@@ -17,7 +17,9 @@ much more written in **modern C++**, mainly known for its innovative
 [Among others](https://github.com/skypjack/entt/wiki/EnTT-in-Action), it's used
 in [**Minecraft**](https://minecraft.net/en-us/attribution/) by Mojang and the
 [**ArcGIS Runtime SDKs**](https://developers.arcgis.com/arcgis-runtime/) by
-Esri. Open an issue or submit a PR if you don't see your project in the list!
+Esri.<br/>
+If you don't see your project in the list, please open an issue, submit a PR or
+add the [#entt](https://github.com/topics/entt) tag to your _topics_! :+1:
 
 ---
 

TODO

@@ -20,6 +20,11 @@
   - get -> all, exclude -> none
 * deprecate sigh::publish, use operator()
 * remove args... from registry::assure and the others (index would be duplicated)
+  - use prepare properly and do not forward to assure
+
+* WIP:
+ - deprecate clone, stamp, snapshot, loader, ...
+ - provide documentation to describe alternatives
 
 * WIP: snapshot rework/deprecation
  - remove snapshot/loader from registry, make them external (faster) tools