move DirectoryFlag (cmd/utils -> internal/debug), where it can be used for the new log location option

use command line flag to set lumberjack folder location

moving the directory customflag to internal/flags

fix log folder creation logic

reverts deletion of interface implementation assertions

adds category to logLocationFlag

revert flags.go file rename; respond to other PR comments

adds other flags related to logger file rotation

internal: post-rebase fixups
internal: fix cli-param redeclaration

sq