docs: document formal release process

Signed-off-by: Robin H. Johnson <[email protected]>

RELEASE-PROCESS.md

@@ -0,0 +1,16 @@
+# Rough release process
+
+0. Update `CHANGES` & commit!
+1. `export VERSION=2...`
+2. `sed -i -e "/^AC_INIT/s,\[.*\],[$VERSION],g" configure.ac`
+3. `git commit -s -m "Release ${VERSION}" configure.ac`
+4. `git tag -s v${VERSION} -m "$VERSION"`
+5. `docker rmi radvd-autogen:latest`
+6. `./autogen-container.sh`
+7. `./configure`
+8. `make packages`
+9. `gh release create v${VERSION} radvd-${VERSION}.tar.{xz,gz}{,.asc,.sha256,.sha512}`
+
+
+## Tools
+https://cli.github.com/