feat: add ts eslint plugin (#688)

packages/core/src/storage/vectorStore/MilvusVectorStore.ts

packages/core/src/storage/vectorStore/PGVectorStore.ts

packages/core/src/storage/vectorStore/PineconeVectorStore.ts

packages/core/tests/indices/VectorStoreIndex.test.ts

packages/core/tests/objects/ObjectIndex.test.ts

packages/core/tests/utility/mockOpenAI.ts

packages/eslint-config-custom/index.js

packages/eslint-config-custom/package.json

packages/experimental/examples/jsonQueryEngine.ts

packages/experimental/examples/tsconfig.json

pnpm-lock.yaml