Generate documentation for bool and int types.

This improves consistency in the documentation (string and list already
have their own page).

--
PiperOrigin-RevId: 147599068
MOS_MIGRATED_REVID=147599068

src/main/java/com/google/devtools/build/docgen/skylark/SkylarkDoc.java

diff --git a/src/main/java/com/google/devtools/build/docgen/skylark/SkylarkDoc.java b/src/main/java/com/google/devtools/build/docgen/skylark/SkylarkDoc.java
index 2fb39d4..b3e2960 100644
--- a/src/main/java/com/google/devtools/build/docgen/skylark/SkylarkDoc.java
+++ b/src/main/java/com/google/devtools/build/docgen/skylark/SkylarkDoc.java
@@ -47,7 +47,9 @@
 
   protected String getTypeAnchor(Class<?> type) {
     if (type.equals(Boolean.class) || type.equals(boolean.class)) {
-      return "<a class=\"anchor\" href=\"" + TOP_LEVEL_ID + ".html#bool\">bool</a>";
+      return "<a class=\"anchor\" href=\"bool.html\">bool</a>";
+    } else if (type.equals(int.class) || type.equals(Integer.class)) {
+      return "<a class=\"anchor\" href=\"int.html\">int</a>";
     } else if (type.equals(String.class)) {
       return "<a class=\"anchor\" href=\"string.html\">string</a>";
     } else if (Map.class.isAssignableFrom(type)) {