[Store] Add SurrealDB

[Guikingone]

Q	A
Bug fix?	no
New feature?	yes
Docs?	yes
Issues	None
License	MIT

Hi 👋🏻

This PR aim to introduce SurrealDB as a store for embeddings, the store use the HTTP API as the PHP SDK is ugly to use (and does not allow mocks), the tests needs to be improved / completed but the main implementation is ready.

PS: By default, we can't send more than 1275 embeddings during the insertion phase, the SDK can bypass this limitation but again, testing issues, API and more so, the road to follow is up to the team.

[OskarStark]

We just created some CHANGELOG.md files.
Please rebase your branch and add info to the appropriate CHANGELOG.md file.

Thanks

[chr-hertel]

You're really on a great streak here to level up the store bridges - thanks for that! 🙏

Somehow the example doesn't work for me again - see below

[Guikingone]

@OskarStark 👋🏻

I updated the CHANGELOG.md file for store 🙂

[OskarStark]

Needs a rebase please

[chr-hertel]

small things about the inner contract of the Store implementation here

[chr-hertel]

Thank you @Guikingone.