Add Aptos wallet release docs

[ihsraham]

Summary

• Add draft documentation for the Aptos wallet module.
• Document installation, configuration, usage, API surface, and SDK module listings.
• Mark the module as in review pending a non-placeholder package release.

Release status

@tetherto/wdk-wallet-aptos currently resolves to the 0.0.0 npm placeholder. Keep this PR as draft until the package is released.

Source PR checked: tetherto/wdk-wallet-aptos#1.

Validation

• npm ci
• npm run check:meta
• npm run check:redirects
• LINK_CHECK_EXTERNAL=false npm run check:links
• PATH="$HOME/.nvm/versions/node/v22.22.2/bin:$PATH" npm run build
• PATH="$HOME/.nvm/versions/node/v22.22.2/bin:$PATH" npm run quality

[ihsraham]

Closing as superseded by #212. The Aptos wallet installation, configuration, usage, API reference, and module listings are included there and aligned with the released package. Please continue review on #212.