Support for Composite Types

[bobbyiliev]

Add support for PostgreSQL composite types in query results.

Description:
PostgreSQL supports composite types which can be useful for representing complex data structures.

Tasks:

• Implement composite type definition
• Add support for composite type encoding in results
• Add support for composite type parameters
• Create tests for composite type handling
• Update documentation

Related files:

• src/protocol/messageBuilders.js
• src/protocol/utils.js
• src/handlers/queryHandlers.js

[ishpreet36752]

@bobbyiliev, hey Bobby, I was looking for the contribution for the Hacktoberfest, and I am also maintaining my project for Hacktoberfest
So, as I saw through the repo for the PostgreSQL and defined the appropriate composite Types, i would love it if you gcould ive some explanation or a way through how I can work with it