Add metadata shared library #190

Job	Run time
search	4s
lint (sdk/assemblyscript/src)	16s
lint (sdk/assemblyscript/examples/anthropic-functions)	23s
lint (sdk/assemblyscript/examples/auth)	22s
lint (sdk/assemblyscript/examples/classification)	21s
lint (sdk/assemblyscript/examples/collections)	25s
lint (sdk/assemblyscript/examples/dgraph)	24s
lint (sdk/assemblyscript/examples/embedding)	20s
lint (sdk/assemblyscript/examples/graphql)	21s
lint (sdk/assemblyscript/examples/http)	21s
lint (sdk/assemblyscript/examples/postgresql)	21s
lint (sdk/assemblyscript/examples/simple)	24s
lint (sdk/assemblyscript/examples/textgeneration)	20s
lint (sdk/assemblyscript/examples/vectors)	21s
	4m 43s

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