Rename REAME.md to README.md and fix binary assembly paths in wayang-api-json

[AliRana30]

Description

This PR fixes two documentation issues in wayang-api/wayang-api-json:

Closes : #812

1. Filename Typo: Renamed wayang-api/wayang-api-json/REAME.md to README.md (git mv). Due to the missing D, GitHub, package mirrors, and documentation tools failed to render the module README overview when viewing the wayang-api-json directory.
2. Outdated Binary Archive Extraction Instructions: In lines 34–35, updated the extraction instructions to match the current Wayang build output:
   • Changed tar -xvf apache-wayang-assembly-1.1.1-dist.tar.gz to tar -xvf wayang-assembly-1.1.2-SNAPSHOT-dist.tar.gz.
   • Changed cd wayang-1.1.1 to cd wayang-1.1.2-SNAPSHOT.

Type of Change

• Documentation update (fixes broken filename and outdated setup instructions)

Verification

• Verified file rename in git tree (REAME.md -> README.md).
• Verified assembly target naming matches <finalName>wayang-assembly-${project.version}</finalName> in wayang-assembly/pom.xml.

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