docs: Fix typo in projects list (#797)

Author: jcfr

docs/projects.md

@@ -52,4 +52,4 @@ In addition, most of the [RAPIDSAI](https://github.com/rapidsai) projects use sc
 * CuML ([source](https://github.com/rapidsai/cuml/blob/HEAD/python/pyproject.toml))
 * CuSpatial ([source](https://github.com/rapidsai/cuspatial/blob/HEAD/python/cuspatial/pyproject.toml))
 * RMM ([source](https://github.com/rapidsai/rmm/blob/HEAD/python/rmm/pyproject.toml))
-* Raft[source](https://github.com/rapidsai/raft/blob/HEAD/python/pylibraft/pyproject.toml))
+* Raft ([source](https://github.com/rapidsai/raft/blob/HEAD/python/pylibraft/pyproject.toml))