add project page for lila and render djot pages

_config.ts

@@ -2,7 +2,7 @@ import lume from "lume/mod.ts";
 import nav from "lume/plugins/nav.ts";
 import codeHighlight from "lume/plugins/code_highlight.ts";
 import googleFonts from "lume/plugins/google_fonts.ts";
-import { djotRender } from "./_djot.ts";
+import { djotLoader, djotRender } from "./_djot.ts";
 
 const site = lume();
 
@@ -23,5 +23,6 @@ site.copy("favicon.svg");
 
 site.data("djot", djotRender);
 site.filter("djot", djotRender);
+site.loadPages([".dj"], djotLoader);
 
 export default site;