refactor: move e2e top level (#1449)

e2e/node/snapshot/agent_with_object_retriever.snap

e2e/node/snapshot/anthropic-agent-multiple-chat.snap

e2e/node/snapshot/anthropic-agent.snap

e2e/node/snapshot/gpt-4-turbo.snap

e2e/node/snapshot/llm-anthropic.snap

e2e/node/snapshot/llm.snap

e2e/node/snapshot/openai_agent_system_prompt.snap

e2e/node/snapshot/queryEngine_subquestion.snap

e2e/node/snapshot/react-agent-stream.snap

e2e/node/snapshot/react-agent.snap

e2e/node/utils.ts

e2e/node/vector-store/pg-vector-store.e2e.ts

e2e/package.json

e2e/tsconfig.json

pnpm-lock.yaml

pnpm-workspace.yaml

tsconfig.json