TASK: Prepare README for dev scripts

Author: grebaldi

README.md

@@ -1 +1,22 @@
 # Nothing to see here yet
+
+## Development
+
+For common automated development tasks, the repository contains several scripts which can be run via composer, like:
+
+```sh
+composer {script-name}
+```
+
+or, alternatively, directly via:
+
+```sh
+./scripts/{script-name}
+```
+
+| script-name | description |
+|-|-|
+
+## License
+
+see [LICENSE](./LICENSE)