Merge pull request #143 from hannesm/add-release-instructions

initial release instructions

RELEASE.md

@@ -0,0 +1,19 @@
+# Release a new version
+
+- have all the patches / PRs merged
+- update CHANGES.md
+- push everything to GitHub
+- go to https://github.com/mirage/ocaml-solo5/releases and click
+  "Draft a new release"
+- Select as tag a good version number (e.g. v1.1.2), the target branch
+  (main for OCaml 5.x, 4.14 for OCaml 4.14)
+- enter a release title and description
+- click "Publish release"
+- download the GitHub-generated tarball (e.g.
+  https://github.com/mirage/ocaml-solo5/archive/refs/tags/v1.1.2.tar.gz)
+- go to your opam-repository clone, copy over the latest release to the new
+  one (e.g. cp -R ocaml-solo5.1.1.1 ocaml-solo5.1.1.2)
+- adjust the opam file with release tarball, checksum, eventually dependencies
+  (run a diff between this opam-solo5.opam and the one in opam-repository)
+- also adjust the ocaml-solo5-cross-aarch64 package as above
+- open a PR to ocaml/opam-repository