Add Caddy, move mainsail into addon

klipper/rootfs/etc/cont-init.d/mainsail.sh

@@ -0,0 +1,7 @@
+#!/usr/bin/with-contenv bashio
+
+if [ ! -d /data/mainsail ]; then
+    mkdir -p /data/mainsail
+    cd /data/mainsail
+    wget -q -O mainsail.zip https://github.com/mainsail-crew/mainsail/releases/latest/download/mainsail.zip && unzip mainsail.zip && rm mainsail.zip
+fi

klipper/rootfs/etc/services.d/proxy/run

@@ -0,0 +1,2 @@
+#!/usr/bin/with-contenv bashio
+

klipper/rootfs/usr/share/templates/moonraker.conf

@@ -30,7 +30,7 @@ trusted_clients:
 [update_manager]
 enable_system_updates: False
 
-# [update_manager mainsail]
-# type: web
-# repo: mainsail-crew/mainsail
-# path: ~/mainsail
+[update_manager mainsail]
+type: web
+repo: mainsail-crew/mainsail
+path: /data/mainsail