r/dnt.md: add redirects I might accidentally remember

Gemfile.lock

@@ -110,7 +110,7 @@ GEM
       jekyll (>= 3.5, < 5.0)
       jekyll-feed (~> 0.9)
       jekyll-seo-tag (~> 2.1)
-    minitest (5.25.0)
+    minitest (5.25.1)
     nokogiri (1.16.7)
       mini_portile2 (~> 2.8.2)
       racc (~> 1.4)

r/dnt.md

@@ -1,5 +1,11 @@
 ---
 redirect_to: https://www.eff.org/files/effdntlist.txt
 permalink: /r/dnt.html
+redirect_from:
+  - r/effdntlist.html
+  - r/effdnt.html
+  - r/dntallowlist.html
+  - r/dntwhitelist.html
+  - r/dntlist.html
 sitemap: false
 ---