Fix installation of template files

The target that copies the *.template files (#15) had a '/' prefixed which
should not be there. The copy should be locally here. The real install
happens in the install-conf that respects $PREFIX

Fixes #40

CHANGELOG.md

@@ -5,6 +5,8 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
 ## [Unreleased]
+### Fixed
+- $(make install) now works for the *.template files (#40)
 
 ## [1.0.0] - 2021-12-02
 It's time to call this a proper major version!