All Commands
https://docs.oracle.com/en/java/javase/13/docs/specs/man/keytool.html
.jks to .pem
keytool -export -rfc -alias key0 -file C:/Users/username/Desktop/upload_certificate.pem -keystore C:/Users/username/StudioProjects/libgen/android/keystore.jks
Generating a Release Key Hash
keytool -exportcert -alias YOUR_RELEASE_KEY_ALIAS -keystore YOUR_RELEASE_KEY_PATH | openssl sha1 -binary | openssl base64