added updater.sh shell script

updater.sh

@@ -0,0 +1,48 @@
+#phpservermonitor updater
+# Developed by petrk94 - https://github.com/petrk94
+#
+# requirements 
+# PHP
+# cURL
+# grep
+# unzip
+#
+# used code:
+# cURL github API url: https://stackoverflow.com/questions/24987542/is-there-a-link-to-github-for-downloading-a-file-in-the-latest-release-of-a-repo
+
+echo Save config.php 
+mv config.php config.php.keep
+echo done!
+
+# remove old files except config.php.keep
+echo remove old files
+find . -type f ! -iname "*.keep" -delete
+rm -rf cron/ docs/ puphpet/ src/ static/
+
+echo Download latest Version of PHPServerMonitor
+echo latest Version is:
+curl -s https://api.github.com/repos/phpservermon/phpservermon/releases/latest | grep browser_download_url | cut -d '/' -f 8
+
+
+#Set if question whether ready to proceed update
+echo Do you want download the update and install? Y/N
+
+#extract url from latest zip file to download
+downloadfile=$(curl -s https://api.github.com/repos/phpservermon/phpservermon/releases/latest | grep "zipball" | cut -d '"' -f 4)
+
+#download latest version zip file and save it with wget as update.zip
+wget -O update.zip "$downloadfile"
+unzip update.zip
+
+# move all files and directories from new created phpservermon directory, to the directory above with the native phpservermon installation
+mv phpservermon*/* .
+# remove phpservermon directory
+rm -rf phpservermon*
+# restore original config.php back from config.php.keep
+mv config.php.keep config.php
+
+# run php composer.phar install
+php composer.phar install
+
+echo Update finished!
+echo Please check the installation