First pass at adding vars for Conduit

roles/matrix-conduit/vars/main.yml

@@ -0,0 +1,6 @@
+---
+matrix_conduit_client_api_url_endpoint_public: "https://{{ matrix_server_fqn_matrix }}/_matrix/client/versions"
+matrix_conduit_federation_api_url_endpoint_public: "https://{{ matrix_server_fqn_matrix }}:{{ matrix_federation_public_port }}/_matrix/federation/v1/version"
+
+# Tells whether this role had executed or not. Toggled to `true` during runtime.
+matrix_conduit_role_executed: false