scene rotate example added

examples/scene_rotate/main.rb

@@ -0,0 +1,22 @@
+require "obsws"
+require "perfect_toml"
+
+OBSWS::LOGGER.info!
+
+def conn_from_toml
+  PerfectTOML.load_file("obs.toml", symbolize_names: true)[:connection]
+end
+
+def main
+  r_client = OBSWS::Requests::Client.new(**conn_from_toml)
+  r_client.run do
+    resp = r_client.get_scene_list
+    resp.scenes.reverse.each do |s|
+      puts "Switching to scene #{s[:sceneName]}"
+      r_client.set_current_program_scene(s[:sceneName])
+      sleep(0.5)
+    end
+  end
+end
+
+main if $0 == __FILE__