adding unstable branch to advertised tags (#58)

adding unstable branch to advertised tags

README.md

@@ -56,6 +56,14 @@ The architectures supported by this image are:
 | arm64 | arm64v8-latest |
 | armhf | arm32v7-latest |
 
+## Version Tags
+
+This image provides various versions that are available via tags. `latest` tag usually provides the latest stable version. Others are considered under development and caution must be exercised when using them.
+
+| Tag | Description |
+| :----: | --- |
+| latest | Stable qbittorrent releases |
+| unstable | Unstable qbittorrent releases |
 
 ## Usage
 

readme-vars.yml

@@ -13,6 +13,12 @@ available_architectures:
   - { arch: "{{ arch_arm64 }}", tag: "arm64v8-latest"}
   - { arch: "{{ arch_armhf }}", tag: "arm32v7-latest"}
 
+# development version
+development_versions: true
+development_versions_items:
+  - { tag: "latest", desc: "Stable qbittorrent releases" }
+  - { tag: "unstable", desc: "Unstable qbittorrent releases" }
+
 # container parameters
 common_param_env_vars_enabled: true
 param_container_name: "{{ project_name }}"