feat: add macOS and tvOS support

[KrzysztofMoch]

Summary

Adds support for macOS and tvOS support

Description

I have successfully run my nitro library (react-native-video v7) on macOS and tvOS by only changing podspec of react-native-nitro-modules!

I have set min required version for macOS & tvOS same as in react-native-macos 0.75 & react-native-tvos 0.75 (as Nitro requires react-native >= 0.75)

• Added macos & tvos to platforms
• Added macOS & tvOS keyword to package.json

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1 Skipped Deployment

| Name | Status | Preview | Comments | Updated (UTC) | | :--- | :----- | :------ | :------- | :------ | | **nitro-docs** | ⬜️ Skipped ([Inspect](https://vercel.com/margelo/nitro-docs/7PSB9m7SmeAmH4iNXkQ6gVmUwuc8)) | | | Nov 24, 2024 4:22pm |

[mrousavy]

perfect, thank you! lgtm