feat: support type aliases and redefinitions #358

Job	Run time
search	3s
build (sdk/go/examples/simple)	47s
build (sdk/go/tools/modus-go-build)	28s
build (sdk/go/examples/embedding)	45s
build (sdk/go/examples/textgeneration)	49s
build (sdk/go/examples/http)	45s
build (sdk/go/examples/postgresql)	46s
build (sdk/go/examples/collections)	50s
build (sdk/go/examples/neo4j)	45s
build (sdk/go/examples/classification)	44s
build (sdk/go/examples/graphql)	45s
build (sdk/go/examples/anthropic-functions)	52s
build (sdk/go/examples/vectors)	38s
build (sdk/go/examples/dgraph)	44s
build (sdk/go/examples/auth)	49s
build (sdk/go/examples/time)	43s
	11m 13s

Provide feedback