Add fixture macmah/1915z

[FloEdelmann]

• Update manufacturers.json
• Add fixture macmah/1915z

Fixture warnings / errors

• macmah/1915z
  • ❌ Category 'Moving Head' invalid since there are not both pan and tilt channels.
  • ⚠️ Category 'Color Changer' suggested since there are ColorPreset or ColorIntensity capabilities or Color wheel slots.

Thank you STUDIO5!

[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>

✔️ macmah / 1915z: d-light / attributes-correctness

• ✔️ macmah/1915z-15ch.xml

✔️ macmah / 1915z: dmxcontrol3 / channel-numbers

• ✔️ macmah-1915z-15ch.xml

✔️ macmah / 1915z: dragonframe / json-schema-conformity

• ✔️ macmah/1915z.json
• ✔️ manufacturers.json

✔️ macmah / 1915z: millumin / json-schema-conformity

• ✔️ macmah/1915z.json

❌ macmah / 1915z: qlcplus_4.12.2 / fixture-tool-validation

• ❌ fixtures/MACMAH-1915z.qxf

  Namespace(map=False, convert=None, validate=['.']) Starting validation ./manufacturer/fixture.qxf:15ch: No physical data found 1 definitions processed. 1 errors detected

✔️ macmah / 1915z: qlcplus_4.12.2 / xsd-schema-conformity

• ✔️ fixtures/MACMAH-1915z.qxf