feat: send quota project id in x-goog-user-project header for OAuth2 credentials (#400)
When the 3LO credentials are used, the quota project ("quota_project_id") is sent on every outgoing request in the x-goog-user-project HTTP header/grpc metadata. The quota project is used for billing and quota purposes.diff --git a/docs/reference/google.auth.crypt.rsa.rst b/docs/reference/google.auth.crypt.rsa.rst
new file mode 100644
index 0000000..7060b03
--- /dev/null
+++ b/docs/reference/google.auth.crypt.rsa.rst
@@ -0,0 +1,7 @@
+google.auth.crypt.rsa module
+============================
+
+.. automodule:: google.auth.crypt.rsa
+ :members:
+ :inherited-members:
+ :show-inheritance: