add content and order parameters to GHContentSearchBuilder as per #1088

src/main/java/org/kohsuke/github/GHContentSearchBuilder.java

@@ -118,7 +118,36 @@ public class GHContentSearchBuilder extends GHSearchBuilder<GHContent> {
         return q("repo:" + v);
     }
 
-    private static class ContentSearchResult extends SearchResult<GHContent> {
+    /**
+     * Order gh content search builder.
+     *
+     * @param v the v
+     * @return the gh content search builder
+     */
+    public GHContentSearchBuilder order(GHDirection v) {
+      req.with("order", v);
+      return this;
+    }
+
+    /**
+     * Sort gh content search builder.
+     *
+     * @param sort the sort
+     * @return the gh content search builder
+     */
+    public GHContentSearchBuilder sort(GHContentSearchBuilder.Sort sort) {
+      req.with("sort", sort);
+      return this;
+    }
+
+    /**
+     * The enum Sort.
+     */
+    public enum Sort {
+      INDEXED
+    }
+
+  private static class ContentSearchResult extends SearchResult<GHContent> {
         private GHContent[] items;
 
         @Override

src/test/java/org/kohsuke/github/GitHubTest.java

@@ -100,6 +100,8 @@ public class GitHubTest extends AbstractGitHubWireMockTest {
                 .in("file")
                 .language("js")
                 .repo("jquery/jquery")
+                .sort(GHContentSearchBuilder.Sort.INDEXED)
+                .order(GHDirection.ASC)
                 .list();
         GHContent c = r.iterator().next();
         // System.out.println(c.getName());