Maybe the answer is using gitHub! I start coding on my iMac and after writing few lines of code, want to switch to may Macbook. What's the best way to keep my code synched between two machines? If the answer is using gitHub - what's the correct way to only share the code for addon and not accidentally expose all of xenforo code? Also, do I need to pay for having private space on gitHub? -What are other alternatives?