Add draft man page.

Add a rudimentary man page for the yki program.

.gitignore

@@ -19,3 +19,4 @@ src/.deps
 src/yki
 src/resources.c
 extra/*.desktop
+man/*.1

Makefile.am

@@ -1,4 +1,4 @@
-SUBDIRS = src extra
+SUBDIRS = src extra man
 
 ACLOCAL_AMFLAGS = -I m4 --install
 

configure.ac

@@ -28,7 +28,8 @@ AM_PATH_GPGME([],
               [AC_MSG_ERROR([libgpgme not found])])
 
 dnl Output files
-AC_CONFIG_FILES([Makefile src/Makefile extra/Makefile])
+AC_CONFIG_FILES([Makefile src/Makefile extra/Makefile
+                 man/Makefile man/yki.1])
 AC_OUTPUT
 
 dnl Summary

man/Makefile.am

@@ -0,0 +1 @@
+man_MANS = yki.1

man/yki.1.in

@@ -0,0 +1,52 @@
+.TH YKI 1 2020-05-04 "Yorkie @PACKAGE_VERSION@" "Yorkie Manual"
+
+.SH NAME
+Yorkie \- A task-oriented GnuPG frontend
+
+.SH SYNOPSIS
+.SY yki
+.RB [ \-h | --help ]
+.RB [ \-e | --encrypt ]
+.RB [ \-d | --decrypt ]
+.B file
+.YS
+
+.SH DESCRIPTION
+.PP
+.B Yorkie
+provides a graphical interface for common GnuPG
+operations such as encrypting or decrypting a file.
+
+.SH OPTIONS
+.TP
+.BR -h ", " --help
+Display the help message.
+.TP
+.BR -e ", " --encrypt
+Launch the graphical interface to encrypt and/or
+sign the specified file. This is the default.
+.TP
+.BR -d ", " --decrypt
+Launch the graphical interface to decrypt and/or
+verify the specified file.
+.I Not implemented yet.
+
+.SH REPORTING BUGS
+.PP
+Report bugs to
+.MT @PACKAGE_BUGREPORT@
+Damien Goutte-Gattat
+.ME .
+
+.SH SEE ALSO
+.BR gpg (1)
+
+.SH COPYRIGHT
+.ad l
+.PP
+Copyright \(co 2020 Damien Goutte-Gattat
+.PP
+This program is released under the GNU General Public License.
+See the COPYING file in the source distribution or
+.UR https://www.gnu.org/licenses/gpl.html
+.UE .