autofixes for common problems, not just for unused vars

[nurpax]

Just thought that an autofix for something like this would be awesome:

std.debug.print("this is a number: {d}\n", 13)

->

std.debug.print("this is a number: {d}\n", .{13});

I have the python print() statement in muscle memory and I find it nearly impossible to retrain myself to write the correct Zig syntax for std.debug.print. OTOH, an editor might fix it easily.