link fixes

.github/workflows/validatelinks.yml

@@ -15,4 +15,4 @@ jobs:
       - uses: actions/checkout@v2.3.4
 
       - run: go get github.com/npxbr/verify-links/cmd/vl
-      - run: vl README.md
+      - run: vl -w puzzlescript.net,hacknplan.com,taiga.io,p1.untergrund.net README.md