Add fixture eurolite/led-ip-par

[FloEdelmann]

• Add fixture eurolite/led-ip-par

Thank you Alex!

[github-actions]

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>

✔️ eurolite / led-ip-par: d-light / attributes-correctness

• ✔️ eurolite/led-ip-par-8.xml

✔️ eurolite / led-ip-par: dmxcontrol3 / channel-numbers

• ✔️ eurolite-led-ip-par-8.xml

✔️ eurolite / led-ip-par: dragonframe / json-schema-conformity

• ✔️ eurolite/led-ip-par.json
• ✔️ manufacturers.json

✔️ eurolite / led-ip-par: millumin / json-schema-conformity

• ✔️ eurolite/led-ip-par.json

❌ eurolite / led-ip-par: qlcplus_4.12.2 / fixture-tool-validation

• ❌ fixtures/Eurolite-LED-IP-PAR.qxf

  Namespace(map=False, convert=None, validate=['.']) Starting validation ./manufacturer/fixture.qxf:8: No physical data found 1 definitions processed. 1 errors detected

✔️ eurolite / led-ip-par: qlcplus_4.12.2 / xsd-schema-conformity

• ✔️ fixtures/Eurolite-LED-IP-PAR.qxf

[kengruven]

Has 3/5/6/12-ch modes, too.

Color presets look very similar (but not identical to) eurolite/led-tl-3-rgb-uv and eurolite/led-tl-4-qcl -- maybe copy one of those as a starting point.