quick manual tests

INT_TEST.md

@@ -0,0 +1,12 @@
+Just storing the command-line "integration tests" I've done, which we can use later:
+
+```sh
+# should fail on form decoding
+curl -X POST localhost:8080/api/users 
+
+# should fail on email validation
+curl -d "{\"email\":\"hello\",\"password\":\"hello\"}" -H 'Content-Type: application/json' -X POST localhost:8080/api/users
+
+# should pass (without authentication)
+curl -d "{\"email\":\"belanger@getporter.dev\",\"password\":\"hello\"}" -H 'Content-Type: application/json' -X POST localhost:8080/api/users
+```