Option to load firestore key from dict

[alizahidraja]

I am trying to deploy an app & I do not want to publicly show my firebase key

For this I use st.secrets to make a dict object, but there is no option to pass it to the track function

[nathanjones4323]

@alizahidraja This PR I just created would resolve your issue.

If you want to use this or see this merged, give it a 👍

[alizahidraja]

Thankyou so much!