Change $HOME/snap to .snap

[ogra]

this is discussed here:

Experimental flag for hiding ~/snap

Experimental support for hidden snap directory Snap user data is currently stored under ~/snap where each snap has a self-named subdirectory that contains: numbered directories for recent and current revisions, used to store versioned data a symlink called ‘current’ that points to the installed revision directory a ‘common’ directory to store non-versioned data accessible across revisions This means the directory structure for snap user data currently looks something like the following: ~/sn…