Add framework README with fingerprint fix docs

Add framework README with instructions on fixing the fingerprint reader
when it fails due to previously enrolled prints.

framework.md

@@ -0,0 +1,29 @@
+# Framework Laptop
+
+## Fingerprint Sensor
+
+"Device disconnected" on enrolling
+
+If you've enrolled fingerprints in another OS or in a previous installation you
+might encounter this error. It prevents you from enrolling new fingerprints and
+re-enrolling old fingerprints. Fortunately, there's an easy solution thanks to
+[this incredible forum
+post](https://community.frame.work/t/fingerprint-scanner-compatibility-with-linux-ubuntu-fedora-etc/1501/145).
+
+The problem lies in old fingerprints remaining on the reader without the host
+OS knowing about them. When the host OS tries to enroll a new fingerprint that
+already exists, the fingerprint reader chokes. The solution is to delete the
+old fingerprints from the reader before enrolling new ones. This should be
+included as part of the device bootstra process or as part of the devices wipe
+process.
+
+Here's the process:
+
+```bash
+# Delete all fingerprints from device
+sudo python framework/libfprint_delete_device_prints.py -d
+```
+
+That's it! Should work again.
+
+## Secure Boot

framework/libfprint_delete_device_prints.py

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+# Import PyGObject
+# PyGObject is a Python package which provides bindings for GObject based libraries such as GTK, GStreamer, WebKitGTK, GLib, GIO and many more.
+from gi import require_version
+
+# for arguments
+from sys import argv
+from os import geteuid
+
+if geteuid() != 0:
+    exit("You need to have root privileges to run this script.\nPlease try again, this time using 'sudo'. Exiting.")
+
+# Load FPrint gi module
+require_version('FPrint', '2.0')
+
+# Import FPrint
+from gi.repository import FPrint
+
+# Get FPrint Context
+fprint_context = FPrint.Context()
+
+# Loop over FPrint devices
+for fprint_device in fprint_context.get_devices():
+
+    # Print device info
+    print(fprint_device)
+    print(fprint_device.get_driver())
+    print(fprint_device.props.device_id)
+
+    # Open the device synchronously.
+    fprint_device.open_sync()
+
+    # Get list of enrolled prints
+    enrolled_fingerprints = fprint_device.list_prints_sync()
+    print("Device has %d enrolled fingerprints." % len(enrolled_fingerprints))
+
+    # Loop through enrolled fingerprints
+    for fingerprint in enrolled_fingerprints:
+
+        # Print fingerprint info
+        date = fingerprint.props.enroll_date
+        print('    %04d-%02d-%02d valid: %d' % (date.get_year(), date.get_month(), date.get_day(), date.valid()))
+        print('    ' + str(fingerprint.props.finger))
+        print('    ' + str(fingerprint.props.username))
+        print('    ' + str(fingerprint.props.description))
+        
+        # check for delete flag
+        if (len(argv) > 1 and argv[1] == "-d"):
+            # Delete print
+            print('Deleting print:')
+            fprint_device.delete_print_sync(fingerprint)
+            print('Deleted')
+
+    # Close the device synchronously.
+    fprint_device.close_sync()