Add missing GoTrue configuration docs

spec/supabase_kt_v0.yml

@@ -60,6 +60,8 @@ functions:
 
           `autoLoadFromStorage` - whether the GoTrue plugin should automatically load the session from the session manager. Default: `true`
 
+	    `autoSaveToStorage` - whether the GoTrue plugin should automatically save the session to the session manager. Default: `true`	
+
           `flowType` - Which authentication flow to use. Currently available: FlowType.PKCE and FlowType.IMPLICIT. Default: `FlowType.IMPLICIT`
 
           `codeVerifierCache` - Interface for saving and loading codes for the PKCE authentication flow. Default: `SettingsCodeVerifierCache`