Add fixture shehds/mini-led-spider-8x6w-rgbw

[FloEdelmann]

• Add fixture shehds/mini-led-spider-8x6w-rgbw

Thank you Tomi!

[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>

❌ shehds / mini-led-spider-8x6w-rgbw: d-light / attributes-correctness

• ❌ shehds/mini-led-spider-8x6w-rgbw-7ch.xml

  Error parsing XML: Duplicate parameter name: FOCUS/TILT
• ❌ shehds/mini-led-spider-8x6w-rgbw-15ch.xml

  Error parsing XML: Duplicate parameter name: FOCUS/TILT

✔️ shehds / mini-led-spider-8x6w-rgbw: dmxcontrol3 / channel-numbers

• ✔️ shehds-mini-led-spider-8x6w-rgbw-7ch.xml
• ✔️ shehds-mini-led-spider-8x6w-rgbw-15ch.xml

✔️ shehds / mini-led-spider-8x6w-rgbw: dragonframe / json-schema-conformity

• ✔️ shehds/mini-led-spider-8x6w-rgbw.json
• ✔️ manufacturers.json

✔️ shehds / mini-led-spider-8x6w-rgbw: millumin / json-schema-conformity

• ✔️ shehds/mini-led-spider-8x6w-rgbw.json

❌ shehds / mini-led-spider-8x6w-rgbw: qlcplus_4.12.2 / fixture-tool-validation

• ❌ fixtures/Shehds-Mini-LED-Spider-8x6W-RGBW.qxf

  Namespace(map=False, convert=None, validate=['.']) Starting validation ./manufacturer/fixture.qxf: Invalid TILT degrees 1 definitions processed. 1 errors detected

✔️ shehds / mini-led-spider-8x6w-rgbw: qlcplus_4.12.2 / xsd-schema-conformity

• ✔️ fixtures/Shehds-Mini-LED-Spider-8x6W-RGBW.qxf