Improve documentation v2.3.1 (#843)

* Updated documentation

Mostly I've moved things around, cleaned up some dead paths and added more clarity.

* Cleaned up !superusers section

* Mentioning of accessibility

2 files changed, 5 insertions, 2 deletions

diff --git a/archinstall/lib/exceptions.py b/archinstall/lib/exceptions.py
index aa86124b..6cf00026 100644
--- a/archinstall/lib/exceptions.py
+++ b/archinstall/lib/exceptions.py
@@ -23,6 +23,10 @@ class SysCallError(BaseException):
 		self.exit_code = exit_code
 
 
+class PermissionError(BaseException):
+	pass
+
+
 class ProfileNotFound(BaseException):
 	pass
 
diff --git a/archinstall/lib/simple_menu.py b/archinstall/lib/simple_menu.py
index 6e4853ea..bc78e703 100644
--- a/archinstall/lib/simple_menu.py
+++ b/archinstall/lib/simple_menu.py
@@ -59,8 +59,7 @@ from typing import (
 try:
     import termios
 except ImportError as e:
-    raise NotImplementedError('"{}" is currently not supported.'.format(platform.system())) from e
-
+    pass # raise NotImplementedError('"{}" is currently not supported.'.format(platform.system())) from e
 
 __author__ = "Ingo Meyer"
 __email__ = "i.meyer@fz-juelich.de"