Added Gemfile

Author: xunker

.gitignore

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+Gemfile.lock

Gemfile

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+source 'https://rubygems.org'
+
+gem 'suncalc'
+
+# gosu gem requires the 'gosu' and 'sdl2' libraries to be installed. On macos
+# you can that using homebrew:
+#  `brew install gosu`
+#  `brew install sdl2`
+gem 'gosu'
+
+# ruby2d gem requires the 'simple2d' library to be installed. On macos you can
+# do that using homebrew:
+#  `brew tap simple2d/tap`
+#  `brew install simple2d`
+gem 'ruby2d'