sort posts

src/main.ts

@@ -27,7 +27,7 @@ function getToc() : string {
     logger.info("building toc")
     let toc : string = ""
     let posts = fs.readdirSync('./docroot/posts')
-    posts.forEach((v) => {
+    posts.sort().reverse().forEach((v) => {
         let content = fs.readFileSync(`./docroot/posts/${v}/article.pag`)
         let contentStr = content.toString()
         let pageOptions = getPageOptions(contentStr)