feat: Add 'local service' monitor type

This adds a new monitor type to check local services by executing a shell command. It also includes fixes for Prometheus errors when adding new tags and for the UI not updating when tags are changed.

server/server.js

@@ -900,6 +900,9 @@ let needSetup = false;
                 bean.rabbitmqPassword = monitor.rabbitmqPassword;
                 bean.conditions = JSON.stringify(monitor.conditions);
                 bean.manual_status = monitor.manual_status;
+                bean.local_service_command = monitor.local_service_command;
+                bean.local_service_expected_output = monitor.local_service_expected_output;
+                bean.local_service_check_type = monitor.local_service_check_type;
 
                 // ping advanced options
                 bean.ping_numeric = monitor.ping_numeric;
@@ -1173,6 +1176,8 @@ let needSetup = false;
                 bean.color = tag.color;
                 await R.store(bean);
 
+                await Prometheus.init();
+
                 callback({
                     ok: true,
                     tag: await bean.toJSON(),
@@ -1248,6 +1253,8 @@ let needSetup = false;
                     value,
                 ]);
 
+                await server.sendUpdateMonitorIntoList(socket, monitorID);
+
                 callback({
                     ok: true,
                     msg: "successAdded",
@@ -1272,6 +1279,8 @@ let needSetup = false;
                     monitorID,
                 ]);
 
+                await server.sendUpdateMonitorIntoList(socket, monitorID);
+
                 callback({
                     ok: true,
                     msg: "successEdited",
@@ -1296,6 +1305,8 @@ let needSetup = false;
                     value,
                 ]);
 
+                await server.sendUpdateMonitorIntoList(socket, monitorID);
+
                 callback({
                     ok: true,
                     msg: "successDeleted",