add an input for wsjt_decoding_depths

htdocs/lib/settings/WsjtDecodingDepthsInput.js

@@ -0,0 +1,16 @@
+$.fn.wsjtDecodingDepthsInput = function() {
+    var renderTable = function(data) {
+        var $table = $('<table class="table table-sm table-borderless wsjt-decoding-depths-table">');
+        $table.append($.map(data, function(value, mode){
+            return $('<tr><td>' + mode + '</td><td>' + value + '</td></tr>');
+        }));
+        return $table;
+    }
+
+    this.each(function(){
+        var $input = $(this);
+        var $el = $input.parent();
+        var $table = renderTable(JSON.parse($input.val()));
+        $el.append($table);
+    });
+};