Revert "remove node_modules"

This reverts commit 2fb5731f23.

node_modules/ajv/lib/dot/enum.jst

@@ -0,0 +1,30 @@
+{{# def.definitions }}
+{{# def.errors }}
+{{# def.setupKeyword }}
+{{# def.$data }}
+
+{{
+  var $i = 'i' + $lvl
+    , $vSchema = 'schema' + $lvl;
+}}
+
+{{? !$isData }}
+  var {{=$vSchema}} = validate.schema{{=$schemaPath}};
+{{?}}
+var {{=$valid}};
+
+{{?$isData}}{{# def.check$dataIsArray }}{{?}}
+
+{{=$valid}} = false;
+
+for (var {{=$i}}=0; {{=$i}}<{{=$vSchema}}.length; {{=$i}}++)
+  if (equal({{=$data}}, {{=$vSchema}}[{{=$i}}])) {
+    {{=$valid}} = true;
+    break;
+  }
+
+{{? $isData }}  }  {{?}}
+
+{{# def.checkError:'enum' }}
+
+{{? $breakOnError }} else { {{?}}