feat: oc 0.6.8 and mac os 11.2.3 support (#54)

Author: gajjartejas

11.0.x/11.2.3/README.md

@@ -0,0 +1,18 @@
+
+### Changelog
+ 1. macOS Big Sur 11.2.3 support added.
+ 2. OpenCore version updated to 0.6.8.
+ 3. Kexts updated.
+
+
+### What's Working/Not working
+ 1. Micro SD Card Reader - Not working in OpenCore.
+ 2. Need to check why `HEVC` encoding not working on `IdeaPad 320 15ISK`
+
+
+### Important
+Please add `SystemSerialNumber`, `SystemUUID` and `MLB`.
+
+
+### Download
+Please check release section to download.

11.0.x/11.2.3/screenshot.png

@@ -21,9 +21,9 @@
 
 Goal of this repo is to run Mac os on Lenovo Ideapad 320 15ISK Laptop
 
-macOS Mojave 10.14.6            |  macOS Catalina 10.15.6 |  macOS Big Sur 11.1	
+macOS Mojave 10.14.6            |  macOS Catalina 10.15.6 |  macOS Big Sur 11.2.3	
 :-------------------------:|:-------------------------:|:-------------------------:
-![alt text](10.14.x/10.14.6/Screenshot.png)  |  ![alt text](10.15.x/10.15.6/screenshot.png)  |  ![alt text](11.0.x/11.1/screenshot.png)
+![alt text](10.14.x/10.14.6/Screenshot.png)  |  ![alt text](10.15.x/10.15.6/screenshot.png)  |  ![alt text](11.0.x/11.2.3/screenshot.png)
 
 ## macOS Catalina to Big Sur direct upgrade note:
  Download latest OpenCore zip folder from release and overwrite with existing one.