Added patch to sort threads

patches/post-sort-date/post-sort-date.go

@@ -0,0 +1,26 @@
+package main
+
+import (
+	"github.com/animenotifier/arn"
+	"github.com/fatih/color"
+)
+
+func main() {
+	color.Yellow("Sorting posts by date")
+
+	defer color.Green("Finished.")
+	defer arn.Node.Close()
+
+	for thread := range arn.StreamThreads() {
+		posts := thread.Posts()
+		arn.SortPostsLatestLast(posts)
+		postIDs := []string{}
+
+		for _, post := range posts {
+			postIDs = append(postIDs, post.ID)
+		}
+
+		thread.PostIDs = postIDs
+		thread.Save()
+	}
+}