Update README.md

README.md

-This is the current source code for emalm.com
+This is the current source code for legacy.emalm.com
 this is is not actively developed only maintained for possible fixes
-the new website will be rewritten in rust and html and stuff properly separated
+the new website is in emalm-main repo
 the new api will be here:
 [https://git.emalm.com/Gottlasz/emalm-rust-api](https://git.emalm.com/Gottlasz/emalm-rust-api)