fix: js curly rule doesn't work without else clause (#182)

.grit/patterns/js/curly.md

@@ -10,10 +10,13 @@ engine marzano(1.0)
 language js
 
 or {
-    `if($_) $body`,
+    if_statement(consequence = $body),
     for_statement($body),
     while_statement($body),
     do_statement($body),
+    else_clause(else = $body) where {
+        $body <: ! if_statement()
+    }
 } where {
     $body <: not statement_block(),
     $body => `{$body}`,
@@ -33,6 +36,23 @@ if (x > 0) {
   doStuff();
 }
 ```
+
+##else 
+```js 
+if (x > 0)
+  doStuff();
+else
+  console.log("e");
+```
+will become
+```js
+if (x > 0) {
+  doStuff();
+} else {
+  console.log("e");
+}
+```
+
 ## for
 ```js
 for (var i = 0; i < 10; i++)