api-viewer: adapt and add flex for parameter coolumns

Allow to use space better on higher resolutions.

Names, Defaults and Types can be read comfortably without the need of
resizing the colum width manually each time.

Cleanup trailing whithespace in the surrounding area.

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

api-viewer/PMGAPI.js

@@ -156,28 +156,31 @@ Ext.onReady(function() {
 			columns: [
 			    {
 				header: 'Name',
-				dataIndex: 'name'
+				dataIndex: 'name',
+				flex: 1
 			    },
 			    {
 				header: 'Type',
 				dataIndex: 'type',
 				renderer: render_type,
+				flex: 1
 			    },
 			    {
 				header: 'Default',
 				dataIndex: 'default',
+				flex: 1
 			    },
 			    {
 				header: 'Format',
 				dataIndex: 'type',
 				renderer: render_format,
-				flex: 1
+				flex: 2
 			    },
 			    {
 				header: 'Description',
 				dataIndex: 'description',
 				renderer: render_description,
-				flex: 2
+				flex: 6
 			    }
 			]
 		    });