feat(cli): add display names on schemas in openapi parser

[RohinBhargava]

This PR introduces a new WithTitle schema to the OpenAPI IR SDK.

Changes

• A new WithTitle schema is added to the OpenAPI IR SDK, which includes an optional title property.
• The WithTitle schema is exported from the commons.yml file and used in various other files.
• The WithTitle schema is added to the types section of the finalIr.yml file.
• The WithTitle schema is added to the types section of the parseIr.yml file.
• The WithTitle schema is added to the types section of the index.ts file in the src/sdk/api/resources/commons/types directory.
• The WithTitle schema is added to the types section of the index.ts file in the src/sdk/serialization/resources/commons/types directory.
• The WithTitle schema is used in various interfaces and classes throughout the OpenAPI IR SDK, including ArraySchema, DiscriminatedOneOfSchema, EnumSchema, LiteralSchema, MapSchema, NullableSchema, ObjectSchema, OptionalSchema, PrimitiveSchema, ReferencedSchema, UnDiscriminatedOneOfSchema, ArraySchemaWithExample, DiscriminatedOneOfSchemaWithExample, EnumSchemaWithExample, MapSchemaWithExample, NullableSchemaWithExample, ObjectSchemaWithExample, OptionalSchemaWithExample, PrimitiveSchemaWithExample, UnDiscriminatedOneOfSchemaWithExample, and UnknownSchemaWithExample.