gnu: Add rust-unicode-categories-0.1.

* gnu/packages/crates-io.scm (rust-unicode-categories-0.1): New
variables.

Signed-off-by: Tobias Geerinckx-Rice <me@tobias.gr>

gnu/packages/crates-io.scm

@@ -63342,6 +63342,25 @@ Unicode and Internationalization Crates (UNIC) project.")
      "Implementation of the Unicode Bidirectional Algorithm.")
     (license (list license:asl2.0 license:expat))))
 
+(define-public rust-unicode-categories-0.1
+  (package
+    (name "rust-unicode-categories")
+    (version "0.1.1")
+    (source (origin
+              (method url-fetch)
+              (uri (crate-uri "unicode-categories" version))
+              (file-name (string-append name "-" version ".tar.gz"))
+              (sha256
+               (base32
+                "0kp1d7fryxxm7hqywbk88yb9d1avsam9sg76xh36k5qx2arj9v1r"))))
+    (build-system cargo-build-system)
+    (home-page "https://github.com/swgillespie/unicode-categories")
+    (synopsis "Query Unicode category membership")
+    (description
+     "This package provides a package for querying Unicode category
+membership for characters in Rust.")
+    (license (list license:expat license:asl2.0))))
+
 (define-public rust-unicode-ident-1
   (package
     (name "rust-unicode-ident")