Add fixture `contest/led-gun`

[FloEdelmann]

• Add fixture contest/led-gun

Thank you @Aristylux!

[github-actions[bot]]

Export files validity

(Output of test script tests/github/exports-valid.js.)

Test the exported files of selected fixtures against the plugins' export tests. You can run a plugin's export tests by executing: $ node cli/run-export-test.js -p <plugin name> <fixtures>

:heavy_check_mark: contest / led-gun: d-light / attributes-correctness

• :heavy_check_mark: contest/led-gun-1ch.xml
• :heavy_check_mark: contest/led-gun-3ch.xml

:heavy_check_mark: contest / led-gun: dmxcontrol3 / channel-numbers

• :heavy_check_mark: contest-led-gun-1ch.xml
• :heavy_check_mark: contest-led-gun-3ch.xml

:heavy_check_mark: contest / led-gun: dragonframe / json-schema-conformity

• :heavy_check_mark: contest/led-gun.json
• :heavy_check_mark: manufacturers.json

:heavy_check_mark: contest / led-gun: millumin / json-schema-conformity

• :heavy_check_mark: contest/led-gun.json

:heavy_check_mark: contest / led-gun: qlcplus_4.12.2 / fixture-tool-validation

• :heavy_check_mark: fixtures/Contest-LED-GUN.qxf

:heavy_check_mark: contest / led-gun: qlcplus_4.12.2 / xsd-schema-conformity

• :heavy_check_mark: fixtures/Contest-LED-GUN.qxf