docs: add older macos versions incompatibility instructions (#1428)

* docs: add vm installation instructions for older macos versions

Signed-off-by: mlbiche <[email protected]>

* docs: add older macos versions incompatibility instructions

Signed-off-by: mlbiche <[email protected]>

* docs: mention opencore legacy patcher

Signed-off-by: mlbiche <[email protected]>

* docs: add dedicated section in FAQ.md

Co-authored-by: Abiola Ibrahim <[email protected]>
Signed-off-by: mlbiche <[email protected]>

* docs: revert changes

Signed-off-by: mlbiche <[email protected]>

---------

Signed-off-by: mlbiche <[email protected]>
Co-authored-by: Abiola Ibrahim <[email protected]>

Author: mlbiche

README.md

@@ -10,7 +10,8 @@
 
 ## Features
 
-  Support for Intel and Apple Silicon Macs, and Linux
+Support for Intel and Apple Silicon macOS, and Linux
+
 - Simple CLI interface with sensible defaults
 - Automatic Port Forwarding
 - Volume mounts
@@ -170,7 +171,7 @@ Or by editing the config file with `colima start --edit`.
   colima start --cpu 4 --memory 8
   ```
 
-- create VM with Rosetta 2 emulation. Requires v0.5.3 and MacOS >= 13 (Ventura) on Apple Silicon.
+- create VM with Rosetta 2 emulation. Requires v0.5.3 and macOS >= 13 (Ventura) on Apple Silicon.
 
   ```
   colima start --vm-type=vz --vz-rosetta

docs/FAQ.md

@@ -57,6 +57,11 @@ Colima supports and works on both Intel and Apple Silicon Macs.
 
 Feedbacks would be appreciated.
 
+## Are older macOS versions supported?
+
+Colima is supported and regularly tested on the latest macOS version. However, Colima requires macOS 13 or newer.
+
+You may be able to build Colima and it's dependencies from source on older macOS version. Colima requires [Lima](https://github.com/lima-vm/lima) and [Qemu](https://www.qemu.org/).
 ## Does Colima support autostart?
 
 Since v0.5.6 Colima supports foreground mode via the `--foreground` flag. i.e. `colima start --foreground`.