new: [compose-core] improve the help message of ``compose status`` command

bin/compose-core

@@ -5303,20 +5303,25 @@ Usage: status [options] [SERVICE...]
 
 Options:
     -h, --help      Print this message and quit
-    -a, --all                   Display status of all services
-                                (removes all filter, and will add a
-                                 'root' first column by default)
-    -c, --column                Column to display, can provide several
-                                separated by commas, or option can be repeated.
+
+    -a, --all       Display status of all services (removes all
+                    filter, and will add a 'root' first column by
+                    default)
+
+    -c, --column    Columns to display, can provide several separated
+                    by commas, or option can be repeated.  You can add
+                    a sign prefix to the name of the column to force
+                    the alignment of the column (+: right, -: left),
                     (default: ${state_columns_default_msg})
+
     -f, --filter    Filter services by a key=value pair,
                     separated by commas or can be repeated.
                     (default: --filter root=yes)
 
-    -r, --raw                   Raw data output (no colors nor alignement)
+    -r, --raw       Raw data output (no colors nor alignment)
 
-    -0                          Separate field with NUL char. Implies raw
-                                data output.
+    -0              Separate field with NUL char. Implies raw data
+                    output.
 
 "
         while read-0 arg; do