add development tag

Author: aptalca

README.md

@@ -54,6 +54,14 @@ The architectures supported by this image are:
 | :----: | --- |
 | x86-64 | amd64-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 releases |
+| development | Prereleases from their GitHub |
 
 ## Usage
 
@@ -205,6 +213,7 @@ Once registered you can define the dockerfile to use with `-f Dockerfile.aarch64
 
 ## Versions
 
+* **21.09.19:** - Add development builds/tag.
 * **09.07.19:** - Add optional sudo access.
 * **01.07.19:** - Add nano.
 * **24.06.19:** - Initial Release.

readme-vars.yml

@@ -24,10 +24,10 @@ available_architectures:
   - { arch: "{{ arch_x86_64 }}", tag: "amd64-latest"}
 
 # development version
-development_versions: false
+development_versions: true
 development_versions_items:
   - { tag: "latest", desc: "Stable releases" }
-  - { tag: "development", desc: "Releases from the `develop` branch" }
+  - { tag: "development", desc: "Prereleases from their GitHub" }
 
 # container parameters
 common_param_env_vars_enabled: true
@@ -65,6 +65,7 @@ app_setup_block: |
 
 # changelog
 changelogs:
+  - { date: "21.09.19:", desc: "Add development builds/tag." }
   - { date: "09.07.19:", desc: "Add optional sudo access." }
   - { date: "01.07.19:", desc: "Add nano." }
   - { date: "24.06.19:", desc: "Initial Release." }