curl --request POST \
  --url https://api.sharc.sh/v1/index \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "collection": "<string>",
  "chunks": [
    {
      "content": "<string>",
      "relativePath": "<string>",
      "startLine": 123,
      "endLine": 123,
      "metadata": {}
    }
  ],
  "metadata": {}
}
'

{
  "indexed": 123,
  "collection": "<string>"
}