Nginx datasets

- from: spice.ai/spiceai/nginx/nginx.tickets
  name: nginx.tickets

- from: spice.ai/spiceai/nginx/nginx.docs
  name: nginx.docs

- from: spice.ai/spiceai/nginx/nginx.tickets
  name: nginx.tickets

- from: spice.ai/spiceai/nginx/nginx.docs
  name: nginx.docs