Add suggested text to template workspace README (#5995)

* Add suggested text to template workspace README

Signed-off-by: Hope Hadfield <[email protected]>

* Remove previous README text

Signed-off-by: Hope Hadfield <[email protected]>

* Use Handlebars and add original README content

Signed-off-by: Hope Hadfield <[email protected]>

---------

Signed-off-by: Hope Hadfield <[email protected]>

Author: hopehadfield

workspaces/repo-tools/packages/cli/src/lib/workspaces/templates/workspace/README.md

@@ -0,0 +1,29 @@
+# [Backstage](https://backstage.io)
+
+This is your newly scaffolded Backstage App, Good Luck!
+
+> [!IMPORTANT]
+> **TODO**: Consider updating your README text with relevant documentation for your plugin. See some suggested text below.
+
+# {{name}}
+
+This workspace contains plugins for \[brief description of purpose, e.g. exposing data from a service].
+
+## Plugins
+
+- \[plugin-backend](./plugins/plugin-backend/README):  Backend plugin that provides...
+
+## Getting Started
+
+To start the app, run:
+
+```sh
+yarn install
+yarn start
+```
+
+To generate knip reports for this app, run:
+
+```sh
+yarn backstage-repo-tools knip-reports
+```