scene rotate example added

examples/scene_rotate/Gemfile

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+# frozen_string_literal: true
+
+source "https://rubygems.org"
+
+# gem "rails"
+
+gem "obsws", path: "../.."
+
+gem "perfect_toml", "~> 0.9.0"

examples/scene_rotate/Gemfile.lock

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+PATH
+  remote: ../..
+  specs:
+    obsws (0.0.3)
+      observer (~> 0.1.1)
+      waitutil (~> 0.2.1)
+      websocket-driver (~> 0.7.5)
+
+GEM
+  remote: https://rubygems.org/
+  specs:
+    observer (0.1.1)
+    perfect_toml (0.9.0)
+    waitutil (0.2.1)
+    websocket-driver (0.7.5)
+      websocket-extensions (>= 0.1.0)
+    websocket-extensions (0.1.5)
+
+PLATFORMS
+  x64-mingw-ucrt
+
+DEPENDENCIES
+  obsws!
+  perfect_toml (~> 0.9.0)
+
+BUNDLED WITH
+   2.3.22

examples/scene_rotate/main.rb

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+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__