docs(worker): add worker and task logs

!42 fixes #135

docs/projects/centurion_erp/user/core/index.md

@@ -17,3 +17,8 @@ The core module contains items that are relevant across multiple modules.
 ## Manufacturers
 
 A manufacturer is an entity that creates an item. Within the IT world a manufacturer can also be known as a publisher, this is in the case of software. To add a new manufacturer navigate to `settings -> Common -> Manufacturers / Publishers`
+
+
+## Background worker
+
+Centurion ERP has a background worker. This worker relies upon RabbitMQ as the broker for storing and routing tasks to workers. Task logs for the jobs ran can be found by navigating to `Settings -> Application -> Task Logs`.

docs/projects/centurion_erp/user/itam/device.md

@@ -74,6 +74,11 @@ This configuration can also be obtained from API endpoint `/api/config/<machine-
 
 It's possible for a machine to be inventoried and have the report passed to the [inventory endpoint](../api.md#inventory-reports). This report will update the device within the interface and provides the option to use scheduled inventory gathering to keep the device up to date.
 
+Inventory processing is conducted by a background worker. As soon as the inventory is uploaded, the inventory processing is added to the background worker queue. Further information about the background worker can be found within its [documentation](../core/index.md#background-worker)
+
+!!! tip
+    Inventory not uploading? review the task logs by navigating to `Settings -> Application -> Task Logs`
+
 The report can contain the following information:
 
 - device: