packages: add snort3

[gsanchietti]

Use upstream master branch because have a better configuration management system

[gsanchietti]

The build is failing with:

2023-02-07T10:07:29.1750880Z ninja: build stopped: subcommand failed.
2023-02-07T10:07:29.1751288Z make[3]: *** [Makefile:112: /home/build/openwrt/build_dir/target-x86_64_musl/snort3-3.1.29.0/.built] Error 1
2023-02-07T10:07:29.1751659Z make[3]: Leaving directory '/home/build/openwrt/nspackages/snort3'
2023-02-07T10:07:29.1754674Z time: package/feeds/packages/snort3/compile#137.54#23.21#17.90
2023-02-07T10:07:29.1761692Z     ERROR: package/feeds/packages/snort3 failed to build.
2023-02-07T10:07:29.1763502Z make[2]: *** [package/Makefile:116: package/feeds/packages/snort3/compile] Error 1

[gsanchietti]

I'm closing this one: snort3 is not really usable right now.

We are going to evaluate a different Intrusion Prevention System.