Sponserblock Fix startup script

[bruvv]

Should fix #959 did not test it yet.

[alexbelgium]

Hi, thanks! The linter complains about one element could you please fix it before I merge? Thanks!

2023-08-25 09:58:27 [ERROR]   Error code: 1. Command output:
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/github/workspace/sponsorblockcast/config.json
  27:5  error  Duplicate key 'CSS_PLAYING_INTERVAL'  jsonc/no-dupe-keys

✖ 1 problem (1 error, 0 warnings)
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[bruvv]

Done, I think we should check this tho, I have not tested this yet. but if you merge it I can check it right away, my weekend has started :)

[alexbelgium]

Thanks!

[bruvv]

Tested and working :)

[alexbelgium]

You're the best thanks!