Update ReadMe.md

ReadMe.md

@@ -14,6 +14,29 @@ POST
 "password": "<password>"
 }
 ```
+**How it works?**
+
+### To optain the jwt Token for the first time from other services
+```python
+import requests
+url = 'http://<well_service_url>/token/'
+
+credentials = {
+    "username": "your_username",
+    "password": "your_password"
+}
+
+response = requests.post(url, data=credentials)
+token = response.json().get('access')  
+```
+Store this token to use in future requests like this:
+```python
+headers = {
+    'Authorization': f'Bearer {token}',
+}
+response = requests.post('http://<well_service_url>/<...>/', headers=headers, json=data_to_send)
+```
+
 ## Well related end-points
 ### 1. create
 **URL:**