chore: add casdoor

fixes #34

examples/casdoor/app.conf

@@ -0,0 +1,18 @@
+# general
+appname = casdoor
+httpport = 8000
+runmode = prod
+
+# database
+driverName = postgres
+dataSourceName = host=db port=5432 user=casdoor password=Str0ngPassw0rt! dbname=casdoor sslmode=disable
+
+# logging and debugging
+showSql = true
+logPostOnly = true
+
+# more settings
+verificationCodeTimeout = 10
+inactiveTimeoutMinutes = 10
+staticBaseUrl = "https://cdn.casbin.org"
+enableGzip = true