[Docs] Add Tutorials

[davidmyriel]

Tutorials

Updated Old Tutorials:

• Quickstart
• Filtering: Clauses and Conditions

Added New Tutorials:

• Filtering: Full Text
• Filtering: Nested Filters
• Multivector Search
• Sparse Vector Search
• Hybrid Search (broken, need help here)
• Multitenancy

[Anush008]

Very nice read.
I've left some nits to consider.

[kacperlukawski]

@davidmyriel I made some changes in the hybrid search tutorial, and suggested a minor change in sparse search. Please let me know if you want me to review all the tutorials end-to-end.

Looks like comments were adressed