feat: init-express-backend (#6)

Reviewed-on: #6
Co-authored-by: Clement <c.boesmier@aptatio.com>
Co-committed-by: Clement <c.boesmier@aptatio.com>

bruno/OpenData datatourisme/express test.bru

@@ -0,0 +1,11 @@
+meta {
+  name: express test
+  type: http
+  seq: 3
+}
+
+get {
+  url: http://localhost:3000
+  body: none
+  auth: none
+}