Update image.png, README.md files

README.md

 # efpfhtmlapp
 
+This application is a sample that aims to show that is possible to develop an application using SDK without frontend editor
+
+## Frontend
+
+![image.png](./image.png)
+
+## API
+
+### Generator - Generates samples
+### Listener - Receives and presents collected samples
+
+```
+{
+  "data": [
+    "{\"timestamp\":\"2022-06-01T15:41:12.762Z\",\"temperature\":41}",
+    "{\"timestamp\":\"2022-06-01T15:42:12.793Z\",\"temperature\":36}",
+    "{\"timestamp\":\"2022-06-01T15:43:12.806Z\",\"temperature\":21}",
+    "{\"timestamp\":\"2022-06-01T15:44:12.832Z\",\"temperature\":59}",
+    "{\"timestamp\":\"2022-06-01T15:45:12.863Z\",\"temperature\":57}",
+    "{\"timestamp\":\"2022-06-01T15:46:12.865Z\",\"temperature\":46}",
+    "{\"timestamp\":\"2022-06-01T15:47:12.889Z\",\"temperature\":43}",
+    "{\"timestamp\":\"2022-06-01T15:48:12.894Z\",\"temperature\":30}",
+    "{\"timestamp\":\"2022-06-01T15:49:12.924Z\",\"temperature\":29}",
+    "{\"timestamp\":\"2022-06-01T15:50:12.932Z\",\"temperature\":45}",
+    "{\"timestamp\":\"2022-06-01T15:51:12.958Z\",\"temperature\":29}",
+    "{\"timestamp\":\"2022-06-01T15:52:12.973Z\",\"temperature\":46}",
+    "{\"timestamp\":\"2022-06-01T15:53:12.975Z\",\"temperature\":34}",
+    "{\"timestamp\":\"2022-06-01T15:54:12.977Z\",\"temperature\":48}",
+    "{\"timestamp\":\"2022-06-01T15:55:12.979Z\",\"temperature\":27}",
+    "{\"timestamp\":\"2022-06-01T15:56:12.981Z\",\"temperature\":20}",
+    "{\"timestamp\":\"2022-06-01T15:57:12.983Z\",\"temperature\":39}"
+  ]
+}
+```