docs(branching): update readme for the new option

README.md

@@ -100,6 +100,8 @@ Some env options are available for use this interface for **only one server** (w
 - `THEME_*`: See table in [Theme options](#theme-options) section (see [#283](https://github.com/Joxit/docker-registry-ui/pull/283)). Since 2.4.0
 - `TAGLIST_ORDER`: Set the default order for the taglist page, could be `num-asc;alpha-asc`, `num-desc;alpha-asc`, `num-asc;alpha-desc`, `num-desc;alpha-desc`, `alpha-asc;num-asc`, `alpha-asc;num-desc`, `alpha-desc;num-asc` or `alpha-desc;num-desc` (see [#307](https://github.com/Joxit/docker-registry-ui/pull/307)). (default: `alpha-asc;num-desc`). Since 2.5.0
 - `CATALOG_DEFAULT_EXPANDED`: Expand by default all repositories in catalog (see [#302](https://github.com/Joxit/docker-registry-ui/issues/302)). (default: `false`). Since 2.5.0
+- `CATALOG_MIN_BRANCHES`: Set the minimum repository/namespace to expand (e.g. `joxit/docker-registry-ui` `joxit/` is the repository/namespace). Can be 0 to disable branching. (see [#319](https://github.com/Joxit/docker-registry-ui/pull/319)). (default: `1`). Since 2.5.0
+- `CATALOG_MAX_BRANCHES`: Set the maximum repository/namespace to expand (e.g. `joxit/docker-registry-ui` `joxit/` is the repository/namespace). Can be 0 to disable branching. (see [#319](https://github.com/Joxit/docker-registry-ui/pull/319)). (default: `1`). Since 2.5.0
 
 There are some examples with [docker-compose](https://docs.docker.com/compose/) and docker-registry-ui as proxy [here](https://github.com/Joxit/docker-registry-ui/tree/main/examples/ui-as-proxy/) or docker-registry-ui as standalone [here](https://github.com/Joxit/docker-registry-ui/tree/main/examples/ui-as-standalone/).