docs + fs start

app/ed.py

@@ -1,18 +1,11 @@
 # A simple line-oriented text editor for MicroPython/CircuitPython
-# implementing the POSIX 'ed' subset
-# Usage: from app.ed import edit, view, unlock_rootfs, lock_rootfs
+# implementing a POSIX 'ed' subset
+# Usage: from app.ed import edit, view
 # Created by Luxferre in 2025, released into public domain
 
 from deck.input import input
 from deck.pager import print_paged
 
-MCU_STORAGE = False
-try:
-  import storage
-  MCU_STORAGE = True
-except:
-  pass
-
 class Ed:
   def __init__(self, filename=None):
     self.filename = filename
@@ -204,14 +197,6 @@ class Ed:
       except Exception as e:
         print(f"Exception occurred: {e}")
 
-def unlock_rootfs():
-  if MCU_STORAGE:
-    storage.remount("/", readonly=False)
-
-def lock_rootfs():
-  if MCU_STORAGE:
-    storage.remount("/", readonly=True)
-
 def edit(fname):
   editor = Ed(fname)
   editor.run()