Client-side preference to turn off document symbols

Signed-off-by: Nikolas Komonen <nikolaskomonen@gmail.com>

Author: NikolasKomonen

README.md

@@ -71,6 +71,8 @@ The following settings are supported:
 
 Since 0.7.0:
 * `xml.java.home`: Set the Java path required to run the XML Language Server. If not set, falls back  to either the `java.home` preference or the `JAVA_HOME` or `JDK_HOME` environment variables.
+* `xml.symbols.enabled`: Enable/disable document symbols (Outline). Default is `true`.
+
 
 More detailed info in the [Wiki](https://github.com/redhat-developer/vscode-xml/wiki/Preferences).
 

package.json

@@ -236,6 +236,12 @@
           "default": true,
           "description": "Enable/disable schema based validation. Ignored if \"xml.validation.enabled\": false.",
           "scope": "window"
+        },
+        "xml.symbols.enabled": {
+          "type": "boolean",
+          "default": true,
+          "description": "Enable/disable document symbols (Outline). No symbols are given if `\"xml.symbol.enabled\": false`.",
+          "scope": "window"
         }
       }
     },