prepare opam for release

.gitignore

@@ -1,3 +1,4 @@
 /_build/
+/_opam/
 .merlin
 *.install

README.md

@@ -1,6 +1,6 @@
 # ocaml-sodium
 
-[Ctypes](https://github.com/ocamllabs/ocaml-ctypes) bindings to
+[Ctypes](https://github.com/yallop/ocaml-ctypes) bindings to
 [libsodium 1.0.9+](https://github.com/jedisct1/libsodium) which wraps
 [NaCl](http://nacl.cr.yp.to/). GNU/Linux, FreeBSD, and OS X operating
 systems are supported. OCaml 4.01.0 or later is required to build.

sodium.opam

@@ -1,15 +1,16 @@
 opam-version: "2.0"
-version: "dev"
-maintainer: "[email protected]"
+synopsis: "Ctypes bindings to libsodium"
+description: "Ctypes bindings to libsodium 1.0.9+ which wraps NaCl."
+maintainer: "Ahrefs <[email protected]>"
 authors: [
   "David Sheets <[email protected]>"
   "Peter Zotov <[email protected]>"
   "Benjamin Canou <[email protected]>"
 ]
-homepage: "https://github.com/dsheets/ocaml-sodium/"
-bug-reports: "https://github.com/dsheets/ocaml-sodium/issues/"
-dev-repo: "git+https://github.com/dsheets/ocaml-sodium.git"
-tags: ["org:mirage"]
+homepage: "https://github.com/ahrefs/ocaml-sodium/"
+bug-reports: "https://github.com/ahrefs/ocaml-sodium/issues/"
+dev-repo: "git+https://github.com/ahrefs/ocaml-sodium.git"
+tags: ["org:ahrefs"]
 build: [
   ["dune" "subst"] {pinned}
   ["dune" "build" "-p" name "-j" jobs]