feat(mkrep): add directory + git-repo scaffolding command

mkcd's create-and-cd behavior plus git init, remote linking, and
optional remote creation via a user-configured command template
($MKREP_REMOTE_CMD, {name}/{user} placeholders).

functions/_mkrep_verbose.fish

@@ -0,0 +1,22 @@
+# Copyright (C) 2026 Rootiest
+# SPDX-License-Identifier: AGPL-3.0-or-later
+
+# SYNOPSIS
+#   _mkrep_verbose <silent> <verbose> <message>
+#
+# DESCRIPTION
+#   Prints <message> only when <verbose> is 1 and <silent> is 0. Used by
+#   mkrep for the extra step-by-step tracing -v/--verbose adds.
+#
+# ARGUMENTS
+#   silent    1 to suppress output, 0 to allow it
+#   verbose   1 to print, 0 to stay quiet
+#   message   Text to print (echo -e, so escapes/colour codes render)
+#
+# EXIT STATUS
+#   0  always
+function _mkrep_verbose --argument-names silent verbose msg
+    test "$silent" = 1; and return 0
+    test "$verbose" = 1; or return 0
+    echo -e $msg
+end