Add newp (new post) and ts (shell test) tools

newp is a dump shortcut that will create a new ms article.

ts is a tool similar to cram or tush.

ts.1

@@ -0,0 +1,22 @@
+.Dd Jul 1, 2022
+.Dt TS 1
+.Os
+.Sh NAME
+.Nm ts
+.Nd Run shell tests 
+.Sh SYNOPSIS
+.Nm
+.Op Fl b
+.Ar test ...
+.Sh DESCRIPTION
+.Nm
+runs the shell tests passed as arguments.
+If the
+.Fl b
+flag is specified, the test is blessed \(em i.e. it is evaluated and the test
+file is overwritten with the result.
+.Pp
+.Sh EXIT STATUS
+.Ex -std
+.Sh AUTHORS
+.An Adolfo Perez Alvarez Aq Mt adolfopa@sdf.org