feat: Add Weaviate vector store for Typescript templates (#228)

.changeset/chilly-toys-bow.md

templates/components/loaders/typescript/file/loader.ts

...lates/components/loaders/typescript/llama_parse/loader.ts

...es/components/vectordbs/typescript/llamacloud/generate.ts

templates/components/vectordbs/typescript/none/generate.ts

...ates/components/vectordbs/typescript/weaviate/generate.ts

templates/components/vectordbs/typescript/weaviate/index.ts

...s/components/vectordbs/typescript/weaviate/queryFilter.ts

templates/components/vectordbs/typescript/weaviate/shared.ts

templates/types/streaming/express/package.json

templates/types/streaming/nextjs/package.json