Add packaging instructions and script

packaging/PACKAGE.md

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+# Packaging
+
+## Build libraries as shared
+
+In order to packaged the project, you will need to follow those different steps.
+We will build libraries as shared libraries.
+
+The first step is to buid the GO standard library as shared.
+```
+$ cd $GOPATH
+$ go install -buildmode=shared std
+```
+
+Next, we will build the 2 libraries to make them shared…
+```
+$ cd $GOPATH
+$ go install -buildmode=shared -linkshared github.com/jimlawless/cfg
+$ go install -buildmode=shared -linkshared git.kingpenguin.tk/chteufleur/go-xmpp.git/src/xmpp
+```
+
+Then finally, build the project with the option that tell to use libraries as shared and not static.
+```
+$ cd $GOPATH
+$ go install -linkshared git.kingpenguin.tk/chteufleur/HTTPAuthentificationOverXMPP.git
+```
+
+You will find shared libraries over here :
+ * ``$GOROOT/pkg/linux_amd64_dynlink/libstd.so``
+ * ``$GOPATH/pkg/linux_amd64_dynlink/libgithub.com-jimlawless-cfg.so``
+ * ``$GOPATH/pkg/linux_amd64_dynlink/libgit.kingpenguin.tk-chteufleur-go-xmpp.git-src-xmpp.so``
+
+And the binary file here :
+ * ``$GOPATH/bin/HTTPAuthentificationOverXMPP.git``
+
+An example can be found [here](https://github.com/jbuberel/buildmodeshared/tree/master/gofromgo).
+
+## Configuration
+
+At the installation, the folder ``$XDG_CONFIG_DIRS/http-auth/`` need to be created (example ``/etc/xdg/http-auth``) where to place the configuration file named ``httpAuth.conf``.
+

packaging/http-auth.service

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+[Unit]
+Description=Provide an HTTP authentication over XMPP (https://xmpp.org/extensions/xep-0070.html)
+
+[Service]
+ExecStart=/etc/init.d/http-auth.sh start
+ExecStop=/etc/init.d/http-auth.sh stop
+
+[Install]
+WantedBy=multi-user.target

scripts/http-auth.sh

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+#!/bin/sh
+
+#######################
+name="httpAuth"
+dirPath="/usr/local/sbin"
+#######################
+sh="/bin/bash"
+pidPath="/var/run/http-auth/http-auth.pid"
+#######################
+
+do_start() {
+	nohup $dirPath/$name &
+	/bin/echo $! > $pidPath
+}
+
+do_stop() {
+	if [ -e $pidPath ]
+	then
+		pid=$(/bin/cat $pidPath)
+		kill $pid
+		rm $pidPath
+	fi
+}
+
+get_status() {
+	if [ -e $pidPath ] ; then
+		pid=$(/bin/cat $pidPath) ;
+		/bin/echo "$name is running with PID $pid" ;
+	else
+		/bin/echo "$name is stopped" ;
+	fi
+}
+
+
+case $1 in
+	start)
+		do_start
+		;;
+	stop)
+		do_stop
+		;;
+	restart)
+		do_stop
+		do_start
+		;;
+	status)
+		get_status
+		;;
+	*)
+		/bin/echo "Usage: $0 {start|stop|restart|status}"
+		exit 2
+		;;
+esac