feat(export): docstrings, man, README, switches

man/pacdef.8

@@ -41,12 +41,33 @@ The main subcommands are 'group', 'package' and 'version'.
 .RS 4
 All actions related to managing groups.
 .sp
-<e|edit> <group> [...]
+<ed|edit> <group> [...]
 .RS 4
 edit the content of an existing group
 .RE
 .
 .sp
+<ex|export> [<args>] <group> [...]
+.RS 4
+Export non-symlink groups by moving and re-importing them.
+By default, the output path is the current workdir.
+The file path relative to the group base dir will be replicated under the output directory.
+
+If a specified group is not a symlink, pacdef will return an error.
+.sp
+-f|--force
+.RS 4
+Overwrite the output file if it exists.
+.RE
+.sp
+-o|--output
+.RS 4
+The output dir to use instead of the current workdir.
+The dir must exist.
+.RE
+.RE
+.
+.sp
 <i|import> <file> [...]
 .RS 4
 import a new group file or group dir structure