Merge #3702 #3710

3702: Update charabia v0.7.2 r=curquiza a=ManyTheFish

fixes #3701
fixes #3689
fixes #3285 

3710: Updated messages pointing to the docs website r=curquiza a=roy9495

# Pull Request

Fixes partially #3668

## What does this PR do?
- ...Any messages referencing this docs site https://docs.meilisearch.com has been changed to this docs site https://meilisearch.com/docs .
 Thanks.

## PR checklist
Please check if your PR fulfills the following requirements:
- [x] Does this PR fix an existing issue, or have you listed the changes applied in the PR description (and why they are needed)?
- [x] Have you read the contributing guidelines?
- [x] Have you made sure that the title is accurate and descriptive of the changes?

Thank you so much for contributing to Meilisearch!


Co-authored-by: ManyTheFish <many@meilisearch.com>
Co-authored-by: TATHAGATA ROY <98920199+roy9495@users.noreply.github.com>

milli/Cargo.toml

@@ -16,7 +16,7 @@ bimap = { version = "0.6.3", features = ["serde"] }
 bincode = "1.3.3"
 bstr = "1.4.0"
 byteorder = "1.4.3"
-charabia = { version = "0.7.1", default-features = false }
+charabia = { version = "0.7.2", default-features = false }
 concat-arrays = "0.1.2"
 crossbeam-channel = "0.5.8"
 deserr = "0.5.0"
@@ -89,3 +89,6 @@ korean = ["charabia/korean"]
 
 # allow thai specialized tokenization
 thai = ["charabia/thai"]
+
+# allow greek specialized tokenization
+greek = ["charabia/greek"]