Add fixture `betopper/lm120-demon-s-eye`

[FloEdelmann]

• Update manufacturers.json
• Add fixture betopper/lm120-demon-s-eye

Thank you @KarlHumbug!

[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>

✔️ betopper / lm120-demon-s-eye: d-light / attributes-correctness

• ✔️ betopper/lm120-demon-s-eye-Ch23.xml

✔️ betopper / lm120-demon-s-eye: dmxcontrol3 / channel-numbers

• ✔️ betopper-lm120-demon-s-eye-Ch23.xml

✔️ betopper / lm120-demon-s-eye: dragonframe / json-schema-conformity

• ✔️ betopper/lm120-demon-s-eye.json
• ✔️ manufacturers.json

✔️ betopper / lm120-demon-s-eye: millumin / json-schema-conformity

• ✔️ betopper/lm120-demon-s-eye.json

✔️ betopper / lm120-demon-s-eye: qlcplus_4.12.2 / fixture-tool-validation

• ✔️ fixtures/Betopper-LM120-Demon's-Eye.qxf

✔️ betopper / lm120-demon-s-eye: qlcplus_4.12.2 / xsd-schema-conformity

• ✔️ fixtures/Betopper-LM120-Demon's-Eye.qxf