Add description

Author: yilinwei

packages/xcursor/xcursor.0.1.0/opam

@@ -1,5 +1,9 @@
 opam-version: "2.0"
-synopsis: "A pure implementation of Xcursor in OCaml"
+synopsis: "A pure implementation of Xcursor in Ocaml"
+description: """
+Xcursor is a de-facto standard for using cursors on Linux systems from Freedesktop. It defines a set
+ of standard paths to search, a file format and a configuration format for users to customise cursors for desktop
+ applications."""
 maintainer: ["Yilin Wei"]
 authors: ["Yilin Wei"]
 license: "MIT"
@@ -34,8 +38,8 @@ url {
   src:
     "https://github.com/yilinwei/ocaml-xcursor/releases/download/v0.1.0/xcursor-0.1.0.tbz"
   checksum: [
-    "sha256=1c80efb0d9e7f864bf39ad16c1e1e9838dfb67438ce8b451e55bee0ab1591d41"
-    "sha512=e9aea0817301d005df3397ee199123f3ea96dda66dd9e7c24d864faf8a010a04e1790125f1601f74df3ca247540a348f43351319b7d09fd07046c72b56e4781b"
+    "sha256=07eb44dcc4ecf6c796855515b0c69eba4bc06dab2b8fc7ed2db18a26ff651329"
+    "sha512=710d55d1cacec24bf5258214228a08f9bdae08711f3b17733970c77892b15574997b60a6e41e68d93fcebdeeb30703db4cc9554da7b4a867401aca454c3027b2"
   ]
 }
-x-commit-hash: "75f8cbe482471522793de55d8c9b2af41f087fce"
+x-commit-hash: "0300d12796945788407ac75fd20637671a547d71"