Additional parameters for list_alerts and list_devices API calls (#9040)

- Add filtering by severity in list_alerts.
- Added ability to filter only active devices (not ignored and not disabled) in list_devices.

DO NOT DELETE THIS TEXT

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doc/API/Alerts.md

@@ -99,11 +99,19 @@ Route: `/api/v0/alerts`
 Input:
 
   - state: Filter the alerts by state, 0 = ok, 1 = alert, 2 = ack
+  - severity: Filter the alerts by severity. Valid values are `ok`, `warning`, `critical`.
+  - order: How to order the output, default is by timestamp (descending). Can be appended by DESC or ASC to change the order.
 
-Example:
+Examples:
 ```curl
 curl -H 'X-Auth-Token: YOURAPITOKENHERE' https://librenms.org/api/v0/alerts?state=1
 ```
+```curl
+curl -H 'X-Auth-Token: YOURAPITOKENHERE' https://librenms.org/api/v0/alerts?severity=critical
+```
+```curl
+curl -H 'X-Auth-Token: YOURAPITOKENHERE' https://librenms.org/api/v0/alerts?order=timestamp%20ASC
+```
 
 Output:
 ```json

doc/API/Devices.md

@@ -768,6 +768,7 @@ Input:
   - order: How to order the output, default is by hostname. Can be prepended by DESC or ASC to change the order.
   - type: can be one of the following to filter or search by:
     - all: All devices
+    - active: Only not ignored and not disabled devices
     - ignored: Only ignored devices
     - up: Only devices that are up
     - down: Only devices that are down