Add fixture `look/unique-2-1`

[FloEdelmann]

• Update manufacturers.json
• Add fixture 'look/unique-2-1'

Thank you LG!

[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>

✔️ look / unique-2-1: d-light / attributes-correctness

• ✔️ look/unique-2-1-Standard.xml

✔️ look / unique-2-1: dmxcontrol3 / channel-numbers

• ✔️ look-unique-2-1-Standard.xml

✔️ look / unique-2-1: dragonframe / json-schema-conformity

• ✔️ look/unique-2-1.json
• ✔️ manufacturers.json

✔️ look / unique-2-1: millumin / json-schema-conformity

• ✔️ look/unique-2-1.json

✔️ look / unique-2-1: qlcplus_4.12.2 / fixture-tool-validation

• ✔️ fixtures/Look-Solutions-Unique-2.1.qxf

✔️ look / unique-2-1: qlcplus_4.12.2 / xsd-schema-conformity

• ✔️ fixtures/Look-Solutions-Unique-2.1.qxf