ui: add node options under 'Configuration -> Options'

for now only http-proxy lives there, but we will add more options later,
such as
* email from
* default gui language

Signed-off-by: Dominik Csapak <d.csapak@proxmox.com>

www/Makefile

@@ -54,6 +54,7 @@ JSSRC=							\
 	config/VerifyView.js				\
 	config/WebauthnView.js				\
 	config/CertificateView.js			\
+	config/NodeOptionView.js			\
 	window/ACLEdit.js				\
 	window/AddTfaRecovery.js			\
 	window/AddTotp.js				\

www/SystemConfiguration.js

@@ -65,6 +65,11 @@ Ext.define('PBS.SystemConfiguration', {
 		},
 	    ],
 	},
+	{
+	    title: gettext('Options'),
+	    itemId: 'options',
+	    xtype: 'pbsNodeOptionView',
+	},
     ],
 
     initComponent: function() {

www/config/NodeOptionView.js

@@ -0,0 +1,42 @@
+Ext.define('PBS.NodeOptionView', {
+    extend: 'Proxmox.grid.ObjectGrid',
+    alias: 'widget.pbsNodeOptionView',
+
+    monStoreErrors: true,
+
+    url: `/api2/json/nodes/${Proxmox.NodeName}/config`,
+    editorConfig: {
+	url: `/api2/extjs/nodes/${Proxmox.NodeName}/config`,
+    },
+    interval: 5000,
+    cwidth1: 200,
+
+    listeners: {
+	itemdblclick: function() { this.run_editor() },
+    },
+
+    tbar: [
+	{
+	    text: gettext('Edit'),
+	    xtype: 'proxmoxButton',
+	    disabled: true,
+	    handler: function() { this.up('grid').run_editor(); },
+	}
+    ],
+
+    initComponent: function() {
+	let me = this;
+
+	me.add_text_row('http-proxy', gettext('HTTP proxy'), {
+	    defaultValue: Proxmox.Utils.noneText,
+	    vtype: 'HttpProxy',
+	    deleteEmpty: true,
+	});
+
+	me.callParent();
+
+	me.on('activate', me.rstore.startUpdate);
+	me.on('destroy', me.rstore.stopUpdate);
+	me.on('deactivate', me.rstore.stopUpdate);
+    },
+});