add Justfiles for all examples

Each example directory gets a Justfile with run/dry/debug recipes.
The rake and gem examples also include a setup recipe for bundle install.
The cli example adds a hosts recipe for the --hosts flag.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

1 files changed, 17 insertions, 0 deletions

diff --git a/examples/cli/Justfile b/examples/cli/Justfile
new file mode 100644
index 0000000..4c81601
--- /dev/null
+++ b/examples/cli/Justfile
@@ -0,0 +1,17 @@
+rcm := "../../bin/rcm"
+
+# Apply configuration
+run:
+    {{rcm}} config.rb
+
+# Dry run — show what would change without making changes
+dry:
+    {{rcm}} config.rb --dry
+
+# Verbose output
+debug:
+    {{rcm}} config.rb --debug
+
+# Limit execution to specific hosts (comma-separated, e.g. just hosts earth,mars)
+hosts target:
+    {{rcm}} config.rb --hosts {{target}}