simplify README

Author: snopoke

README.md

@@ -13,97 +13,25 @@ For full documentation go to https://docs.taskbadger.net/python/.
 ### Install
 
 ```bash
-pip install --upgrade taskbadger
+pip install taskbadger
 ```
 
 ### Client Usage
 
-#### Configuration
-
 ```python
 import taskbadger
+from taskbadger.systems import CelerySystemIntegration
 
 taskbadger.init(
-    organization_slug="my-org",
-    project_slug="my-project",
-    token="***"
+    token="***",
+    systems=[CelerySystemIntegration()],
+    tags={"environment": "production"}
 )
 ```
 
-#### Usage with Celery
-
-```python
-import taskbadger
-from celery import Celery
-
-app = Celery("tasks")
-
-@app.task(bind=True, base=taskbadger.Task)
-def my_task(self):
-    task = self.taskbadger_task
-    for i in range(1000):
-        do_something(i)
-        if i % 100 == 0:
-            task.update(value=i, value_max=1000)
-    task.success(value=1000)
-```
-
-#### API Example
-
-```python
-from taskbadger import Task, Action, EmailIntegration, WebhookIntegration
-
-# create a new task with custom data and an action definition
-task = Task.create(
-    "task name",
-    data={
-        "custom": "data"
-    },
-    actions=[
-        Action("*/10%,success,error", integration=EmailIntegration(to="me@example.com")),
-        Action("cancelled", integration=WebhookIntegration(id="webhook:demo")),
-    ]
-)
-
-# update the task status to 'processing' and set the value to 0
-task.started()
-try:
-   for i in range(100):
-      do_something(i)
-      if i!= 0 and i % 10 == 0:
-         # update the progress of the task
-         task.update_progress(i)
-except Exception as e:
-    # record task errors
-    task.error(data={
-        "error": str(e)
-    })
-    raise
-
-# record task success
-task.success()
-```
-
-### CLI USage
-
-#### Configuration
-
-```shell
-$ taskbadger configure
-
-Organization slug: my-org
-Project slug: project-x
-API Key: XYZ.ABC
-
-Config written to ~/.config/taskbadger/config
-```
-
-#### Usage Examples
-
-The CLI `run` command executes your command whilst creating and updating a Task Badger task.
+### CLI Usage
 
 ```shell
-$ taskbadger run "demo task" --action error email to:me@test.com -- path/to/script.sh
-
-Task created: https://taskbadger.net/public/tasks/xyz/
+$ export TASKBADGER_API_KEY=***
+$ taskbadger run "nightly-backup" -- ./backup.sh
 ```