wrote basic building stuff, need to impliment more in the player.

spec/game/planet_spec.rb

@@ -61,6 +61,13 @@ RSpec.describe Planet do
     end
   end
 
+  describe '#info_update' do
+    it 'returns the correct data about the planet to the player' do
+      data = planet.info_update
+      expect(data.keys).to eq(['id', 'position'])
+    end
+  end
+
   describe '#save_to_file' do
     it 'saves the planet to a file' do
       expect{planet.save_to_file}.to_not raise_error