Addon: Use Hostprocess for Windows Exporter (#2048)

* Addon: Use Hostprocess for Windows Exporter #1627

This allows for Windows Exporter to be deployed and configured
dynamically without requiring to specify targets manually for each
Windows node

Documentation and example added

* Addon: Windows Exporter using Hostprocess

Fix some performance issues.
- Specify resource limits for windows exporter.
- Allow for scrape timeout and interval to be configured. Depending
on how many pods are running on a node it can take from 500ms to 15s
to scrape metrics from node. Default timeout is 10s.
- Allow for enabled collectors to be configured.
- Only enable collectors that are being used in rules and dashboards.

* Addon: Windows Exporter using Hostprocess

Fix formatting issues

* Fix formatting issues in windows-hostprocess addon

* Windows Addon: update doc to reflect both configs
- Hostprocess and static

* Windows Addon: update doc

---------

Co-authored-by: Dinesh Sharma <dinesh.sharma@health.telstra.com>