Update README for v0.9.12.1 release

Updated version number and release notes for v0.9.12.1, including bug fixes and new features.

README.md

@@ -4,15 +4,13 @@ Would be nice if you support me: https://buymeacoffee.com/bmks — thank you ver
 # Firmware "MC Term"
 Finally there is a name, "MC Term", M(esh)C(ore) Term(inal). We like Retro, you like Retro, we stay retro :-).
 
-# Soon v0.9.12 will be released!
+# v0.9.12.1 released for all supported devices (no online update!)
 - bugfixes!
-- save messages on SDCard if available!
-- adaptions in the GUI (mail symbol now in the Msgs Button).
-- DuryCycle can now be configured.
-- GPS tracker based on distance with advert flooding
-- new two customizeable QuickReply Buttons with dynamic variables support!
-- integrated webserver with a powerful WebBrowser UI
-- new device support -> Elecrow CrowPanel7
+- REMOVED: save messages on SDCard if available!
+- updates for the integrated webserver and improvements
+- BLE/WiFi Switcher improved
+- Lockscreen picture uploader via Webinterface
+- MAP improvements
 and more...
 
 # MeshCore / additional GUIs for embedded mesh radios
@@ -63,7 +61,7 @@ This firmware includes companion UIs and support for several devices; notable ex
 
 Flash using the MeshCore web flasher:
 
-1. Open https://flasher.meshcore.co.uk/ and choose "Custom Firmware".
+1. Open https://flasher.meshcore.io/ and choose "Custom Firmware".
 2. For first-time installation (use the *-merged version), perform a full flash erase (this removes all settings). *take care*, if you upgrade the version to a newer one, use the non-merged version!
 3. Upload the built firmware image and flash to your device.