[Bug] Loop when files are being actively written to and FSNotify triggers

[RomeSilvanus]

Should check for file activity or if file is open in another process before proceeding with add process

Error message:

2021/10/08 22:43:38 fsnotify event: "files/713.7z": WRITE 2021/10/08 22:43:38 Adding file from files/713.7z to /ipfs-sync/files/713.7z ... 2021/10/08 22:43:38 Generating file headers... 2021/10/08 22:43:38 Doing add request... 2021/10/08 22:43:38 File hash: bafkreih 2021/10/08 22:43:38 Removing existing file (if any)... 2021/10/08 22:43:38 Adding file to mfs path: /ipfs-sync/files/713.7z 2021/10/08 22:43:38 AddFile reply: bafkreih 2021/10/08 22:43:38 fsnotify event: "files/813.7z": WRITE 2021/10/08 22:43:38 Adding file from files/813.7z to /ipfs-sync/files/813.7z ... 2021/10/08 22:43:38 Generating file headers... 2021/10/08 22:43:38 Doing add request... 2021/10/08 22:43:38 File hash: bafkreih 2021/10/08 22:43:38 Removing existing file (if any)... 2021/10/08 22:43:38 Adding file to mfs path: /ipfs-sync/files/813.7z 2021/10/08 22:43:38 AddFile reply: bafkreih 2021/10/08 22:43:38 fsnotify event: "files/713.7z": WRITE 2021/10/08 22:43:38 Adding file from files/713.7z to /ipfs-sync/files/713.7z ... 2021/10/08 22:43:38 Generating file headers... 2021/10/08 22:43:38 Doing add request... 2021/10/08 22:43:38 File hash: bafkreihdw 2021/10/08 22:43:38 Removing existing file (if any)... 2021/10/08 22:43:38 Adding file to mfs path: /ipfs-sync/files/713.7z 2021/10/08 22:43:38 AddFile reply: bafkreih 2021/10/08 22:43:38 fsnotify event: "files/819.7z": WRITE 2021/10/08 22:43:38 Adding file from files/819.7z to /ipfs-sync/files/819.7z ...