Files were added to be built whether an extension is on or off.
New build tags were added for each extension, while minimal and extended disappeared.
added custom binary naming depending on extensions used and changed references from binary to binary-extended
added automated blackbox tests for sync, search, scrub, metrics
added contributor guidelines
Signed-off-by: Alex Stan <alexandrustan96@yahoo.ro>
The directory created by `T.TempDir` is automatically removed when the
test and all its subtests complete.
Reference: https://pkg.go.dev/testing#T.TempDir
Signed-off-by: Eng Zer Jun <engzerjun@gmail.com>
