fix(immutable-backups): package should be public

Introduced by ed7046c1a

@xen-orchestra/immutable-backups/README.md

@@ -2,6 +2,16 @@
 
 # @xen-orchestra/immutable-backups
 
+[![Package Version](https://badgen.net/npm/v/@xen-orchestra/immutable-backups)](https://npmjs.org/package/@xen-orchestra/immutable-backups) ![License](https://badgen.net/npm/license/@xen-orchestra/immutable-backups) [![PackagePhobia](https://badgen.net/bundlephobia/minzip/@xen-orchestra/immutable-backups)](https://bundlephobia.com/result?p=@xen-orchestra/immutable-backups) [![Node compatibility](https://badgen.net/npm/node/@xen-orchestra/immutable-backups)](https://npmjs.org/package/@xen-orchestra/immutable-backups)
+
+## Install
+
+Installation of the [npm package](https://npmjs.org/package/@xen-orchestra/immutable-backups):
+
+```sh
+npm install --save @xen-orchestra/immutable-backups
+```
+
 ## Usage
 
 ### make a remote immutable

@xen-orchestra/immutable-backups/package.json

@@ -1,5 +1,5 @@
 {
-  "private": true,
+  "private": false,
   "name": "@xen-orchestra/immutable-backups",
   "homepage": "https://github.com/vatesfr/xen-orchestra/tree/master/@xen-orchestra/immutable-backups",
   "bugs": "https://github.com/vatesfr/xen-orchestra/issues",
@@ -36,6 +36,7 @@
     "tap": "^18.6.1"
   },
   "scripts": {
+    "postversion": "npm publish --access public",
     "test-integration": "tap  *.integ.mjs"
   }
 }