fixing the final buildozer build that's failing because the requireme…

…nts.txt file wasn't copied from the root to the new buildozer directory

  2020-06-21T20:08:17.3692460Z + buildozer osx debug
  2020-06-21T20:08:17.3692550Z Traceback (most recent call last):
  2020-06-21T20:08:17.3692650Z   File "/Users/runner/Library/Python/3.7/bin/buildozer", line 8, in <module>
  2020-06-21T20:08:17.3692980Z     sys.exit(main())
  2020-06-21T20:08:17.3693670Z   File "/Users/runner/Library/Python/3.7/lib/python/site-packages/buildozer/scripts/client.py", line 13, in main
  2020-06-21T20:08:17.3693810Z     Buildozer().run_command(sys.argv[1:])
  2020-06-21T20:08:17.3694310Z   File "/Users/runner/Library/Python/3.7/lib/python/site-packages/buildozer/__init__.py", line 1004, in run_command
  2020-06-21T20:08:17.3694440Z     self.target.run_commands(args)
  2020-06-21T20:08:17.3694950Z   File "/Users/runner/Library/Python/3.7/lib/python/site-packages/buildozer/targets/osx.py", line 214, in run_commands
  2020-06-21T20:08:17.3695070Z     func(args)
  2020-06-21T20:08:17.3695550Z   File "/Users/runner/Library/Python/3.7/lib/python/site-packages/buildozer/targets/osx.py", line 230, in cmd_debug
  2020-06-21T20:08:17.3695670Z     self.buildozer.build()
  2020-06-21T20:08:17.3696230Z   File "/Users/runner/Library/Python/3.7/lib/python/site-packages/buildozer/__init__.py", line 205, in build
  2020-06-21T20:08:17.3696370Z     self.target.build_package()
  2020-06-21T20:08:17.3696890Z   File "/Users/runner/Library/Python/3.7/lib/python/site-packages/buildozer/targets/osx.py", line 104, in build_package
  2020-06-21T20:08:17.3697350Z     app_deps = open('requirements.txt').read()
  2020-06-21T20:08:17.3697810Z FileNotFoundError: [Errno 2] No such file or directory: 'requirements.txt'
  2020-06-21T20:08:17.3698260Z + rm -rf helloWorld.app/Contents/Frameworks/GStreamer.framework
  2020-06-21T20:08:17.3698700Z + ./create-osx-dmg.sh helloWorld.app
  2020-06-21T20:08:17.3699160Z build/mac/buildDmg.sh: line 239: ./create-osx-dmg.sh: No such file or directory

build/mac/buildDmg.sh

@@ -160,6 +160,7 @@ fi
 
 # create and enter our new dir for buildozer
 mkdir buildozer
+cp requirements.txt buildozer/
 pushd buildozer
 
 # create buildozer.spec file