Add 'CARDPUTER CircuitPython/projects/CardPal/readme.md'

CARDPUTER CircuitPython/projects/CardPal/readme.md

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+# dependencies
+- needs the keyb.py in lib
+- needs settings.toml in root, containing ssids and passwords according to the wifi_options list + containing tumblr access codes for future
+
+# features
+- uses wifi switcher on boot
+- basic home menu for sd, tumblr (empty), web server (empty)
+- view file list on sd card, can open text files (probably crashes on anything else)
+- displays own ip address in header
+
+# issues
+- the page displays are recursively called and using "return" does not appear to free up space so after a few backwards and forwards through menus eventually it will crash with pystack exhaustion or memory issue
+- i got bored im moving onto something else