Updated Readme, FirstSetup and CacheAndRepo scripts

Readme: Cleanup in inital setup area

First setup: added Python webserver to serve the created images for easy deployment in Proxmox

CacheAndRepo: Alpine will now always use Default repo for rootfs/core since the download methode in Distrobuilder has changed

Scripts/FirstSetup.sh

@@ -42,4 +42,18 @@ BuildImage () {
 #Build Jenkins Image
 BuildImage Debian jenkins
 #Build JenkinsNode (imgbuilder) Image
-BuildImage Debian imgbuilder
+BuildImage Debian imgbuilder
+
+read -p "Do you want to server image files on webserver? (yes/No) " runws
+if [[ $runws == y* || $runws == Y* ]]; then
+    echo "Availible ip addresses"
+    ip -4 -o a
+    echo ""
+    echo "Dowload jenkins image: http://<IP>:8000/Debian-jenkins.tar.xz"
+    echo "Dowload imgbuilder image: http://<IP>:8000/Debian-imgbuilder.tar.xz"
+    echo ""
+    echo "To stop the webserver press ctrl + c"
+    python3 -m http.server >/dev/null
+fi
+
+echo Done