add info about how to install the man page as mentioned in #gh-32

README

@@ -57,6 +57,9 @@ NOTES
 
        PROFIT!!
 
+       optionally:
+	install the provided man page z.1 somewhere like /usr/local/man/man1.
+
        Frecency:
 
        Frecency is a portmantaeu of 'recent' and 'frequency'. It  is  a	 weighted
@@ -77,6 +80,8 @@ ENVIRONMENT
 FILES
        data is stored in $HOME/.z
 
+       A man page (z.1) is provided.
+
 
 SEE ALSO
        regex(7), cdargs, pushd, popd, autojump, cdargs

z.1

@@ -56,6 +56,9 @@ put something like this in your \fB$HOME/.zshrc\fR:
 \fBcd\fR around for a while to build up the db.
 .P
 PROFIT!!
+.P
+optionally:
+ install the provided man page \fBz.1\fR somewhere like \fB/usr/local/man/man1\fB.
 .br
 
 \fBFrecency:\fR
@@ -77,6 +80,8 @@ to \fBz\fR.
 
 .SH FILES
 data is stored in \fB$HOME/.z\fR
+.P
+A man page (\fBz.1\fR) is provided.
 
 .SH SEE ALSO
 regex(7), cdargs, pushd, popd, autojump, cdargs