Set window size and title, press Esc to close game

conf.lua

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+function love.conf(t)
+  t.window.title = "Bubble Shooter"
+  t.window.width = 1600
+  t.window.height = 900
+end

main.lua

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+function love.keypressed(key, scan_code, is_repeat)
+  if key == 'escape' then
+    love.event.quit()
+  end
+end