pip packages (neccessary)
pycryptodome
pyrebase4
uuid
pyperclip
pillow
installed automatically with pyrebase4: [ pyasn1, pyasn1-modules, rsa, oauth2client, requests-toolbelt, jws, python-jwt, googleapis-common-protos, gcloud ]
Windows: pip install pycryptodome pyrebase4 uuid pyperclip pillow
macOS/Linux: pip3 install pycryptodome pyrebase4 uuid pyperclip pillow