compressing removed from sdk on v7, replaced with uint8array method

[FedericoAmura]

Description

This PR is a demo on how SDK consumers can [de]compress the data they encrypted with Lit
Compression using JsZip was removed from the SDK on v7 PR#621 so it now requires this extra code outside the SDK, but also allows customer to use their custom compression strategy

Type of change

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• This change requires a documentation update

How Has This Been Tested?

• Added the following demo scripts in LIT-Protocol/compression PR#1 using jszip inside a zipper

  "scripts": {
    "run:zipAndEncryptString": "tsx ./src/zipAndEncryptString.ts",
    "run:zipAndEncryptMultipleFiles": "tsx ./src/zipAndEncryptMultipleFiles.ts",
    "run:zipFileAndBundleWithMetadata": "tsx ./src/zipFileAndBundleWithMetadata.ts"
  },

Checklist:

• My code follows the style guidelines of this project
• I have performed a self-review of my code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation in PR#395
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes
• Any dependent changes have been merged and published in downstream modules

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