adding updates to the sign

README.md

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 # Pi Calendar Sign
 
+python3 -m venv ./venv

requirements.txt

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+board==1.0
+cachetools==5.0.0
+certifi==2021.10.8
+charset-normalizer==2.0.12
+google-api-core==2.7.1
+google-api-python-client==2.42.0
+google-auth==2.6.2
+google-auth-httplib2==0.1.0
+google-auth-oauthlib==0.5.1
+googleapis-common-protos==1.56.0
+httplib2==0.20.4
+idna==3.3
+oauthlib==3.2.0
+protobuf==3.19.4
+pyasn1==0.4.8
+pyasn1-modules==0.2.8
+pyparsing==3.0.7
+python-dateutil==2.8.2
+pytz==2022.1
+requests==2.27.1
+requests-oauthlib==1.3.1
+rsa==4.8
+six==1.16.0
+uritemplate==4.1.1
+urllib3==1.26.9
+adafruit-circuitpython-charlcd
+