Added Encoding for Type Meta

[Forchapeatl]

What does this PR do?

#1670

Does this PR introduce any user-facing change?

• [ ] Does this PR introduce any public API change?
• [ ] Does this PR introduce any binary protocol compatibility change?

Benchmark

[Forchapeatl]

Hi @theweipeng . Please have a loo at my PR . I am passing the decoded MetaString to the class resolver but my tests keep failing

[theweipeng]

Please refer to the document at https://fury.apache.org/docs/specification/fury_xlang_serialization_spec#type-meta. Using the 'stringify' method to encode the description is incorrect