Add requirements for privileges in container to README.md

[IamLunchbox]

See #46

[IamLunchbox]

Could you recheck, that network_discovery actually works with --net host? My local test did only work with -u root yet.

[leoparente]

Could you recheck, that network_discovery actually works with --net host? My local test did only work with -u root yet.

{"level":"info","ts":"2025-01-08T16:35:00.016Z","caller":"networkdiscovery/network_discovery.go:139","msg":"network-discovery stdout","log":"time=2025-01-08T16:35:00.015Z level=INFO msg=\"running scanner\" targets=\"[192.168.31.1/24 netboxlabs.com]\" policy=discovery_2"}
{"level":"info","ts":"2025-01-08T16:35:07.143Z","caller":"networkdiscovery/network_discovery.go:139","msg":"network-discovery stdout","log":"time=2025-01-08T16:35:07.142Z level=INFO msg=\"entities ingested successfully\" policy=discovery_2"}

It does work without root access (only --net=host)

[github-actions]

🎉 This PR is included in version 1.1.0 🎉

The release is available on GitHub release

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