refactor: Push and Pull classes #13

Job	Run time
build (linux-arm64, linux-arm64, build/appwrite-cli-linux-arm64)	56s
build (windows-x64, windows-x64, build/appwrite-cli-win-x64.exe)	42s
build (windows-arm64, windows-arm64, build/appwrite-cli-win-arm64.exe)	44s
build (mac-x64, mac-x64, build/appwrite-cli-darwin-x64)	49s
build (mac-arm64, mac-arm64, build/appwrite-cli-darwin-arm64)	59s
build (linux-x64, linux-x64, build/appwrite-cli-linux-x64)	45s
	4m 55s

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