docs: add an example how to create a task

Author: bednar

examples/task_example.py

@@ -0,0 +1,27 @@
+from influxdb_client import InfluxDBClient, TaskCreateRequest
+
+url = "http://localhost:8086"
+org = "my-org"
+bucket = "my-bucket"
+token = "my-token"
+
+with InfluxDBClient(url=url, token=token, org=org, debug=True) as client:
+    tasks_api = client.tasks_api()
+
+    flux = \
+        '''
+  option task = {{
+    name: "{task_name}",
+    every: 1d
+  }}
+  
+  from(bucket: "{from_bucket}") 
+    |> range(start: -task.every) 
+    |> filter(fn: (r) => (r._measurement == "m")) 
+    |> aggregateWindow(every: 1h, fn: mean) 
+    |> to(bucket: "{to_bucket}", org: "{org}")
+'''.format(task_name="my-task", from_bucket=bucket, to_bucket="to-my-bucket", org=org)
+
+    task_request = TaskCreateRequest(flux=flux, org=org, description="Task Description", status="active")
+    task = tasks_api.create_task(task_create_request=task_request)
+    print(task)