ui/docs: add get help onlineHelp

Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>

docs/introduction.rst

@@ -127,8 +127,7 @@ language.
 
  -- `The Rust Programming Language <https://doc.rust-lang.org/book/ch00-00-introduction.html>`_
 
-.. todo:: further explain the software stack
+.. _get_help:
-
 
 Getting Help
 ------------

www/OnlineHelpInfo.js

@@ -11,6 +11,10 @@ const proxmoxOnlineHelpInfo = {
     "link": "/docs/backup-client.html#backup-pruning",
     "title": "Pruning and Removing Backups"
   },
+  "get-help": {
+    "link": "/docs/introduction.html#get-help",
+    "title": "Getting Help"
+  },
   "chapter-zfs": {
     "link": "/docs/sysadmin.html#chapter-zfs",
     "title": "ZFS on Linux"

www/Subscription.js

@@ -5,7 +5,7 @@ Ext.define('PBS.SubscriptionKeyEdit', {
     width: 300,
     autoLoad: true,
 
-    onlineHelp: 'getting_help',
+    onlineHelp: 'get_help',
 
     items: {
 	xtype: 'textfield',
@@ -22,7 +22,7 @@ Ext.define('PBS.Subscription', {
     title: gettext('Subscription'),
     border: true,
 
-    onlineHelp: 'getting_help',
+    onlineHelp: 'get_help',
 
     viewConfig: {
 	enableTextSelection: true,