[v1.9] Accept `distinct` search parameter

[curquiza]

Following this central issue

This is related to a newly introduced feature in Meilisearch v1.9.0: use distinct search parameter.

Refer to docs for more information.

• [ ] Ensure the library can accept the distinct search parameter.
• [ ] Add integration tests
• [ ] Update the .code-samples.meilisearch.yaml
  • [ ] Add search_parameter_reference_distinct_1 key and “translate” the following curl example by using the newly added methods: https://github.com/meilisearch/documentation/blob/04f26a35771305378ed0a506f4d60ef06d07bd7e/.code-samples.meilisearch.yaml#L1308
  • [ ] Add distinct_attribute_guide_filterable_1 key and “translate” the following curl example by using the newly added methods: https://github.com/meilisearch/documentation/blob/04f26a35771305378ed0a506f4d60ef06d07bd7e/.code-samples.meilisearch.yaml#L1316C1-L1316C38
  • [ ] Add distinct_attribute_guide_distinct_parameter_1 key and “translate” the following curl example by using the newly added methods: https://github.com/meilisearch/documentation/blob/04f26a35771305378ed0a506f4d60ef06d07bd7e/.code-samples.meilisearch.yaml#L1325