Add rest-api example (#889)

examples/rest-api/bruno/ec-rest-api/ping.bru

@@ -0,0 +1,11 @@
+meta {
+  name: ping
+  type: http
+  seq: 1
+}
+
+get {
+  url: http://localhost:8000/ping
+  body: json
+  auth: none
+}