[Docs]: Migrate Antora Docs to Fumadocs (*.mdx)

[bidzyyys]

What is the feature you would like to see?

Steps to migrate & validate the new docs

1. Replace old library versions (v0.3.0-alpha.1 & v0.2.0) with v0.3.0.
2. Go through the *.mdx files and compare them with our current examples:
   1. AI dropped some brackets during migration
   2. We need to make sure that code in docs is consistent with our current codebase (examples)
3. Use the AI tool to cross-check content consistency between the AsciiDoc and the new MDX files.
4. Remove Antora docs from the codebase

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