ci: switch to linkchecker

.drone.yml

@@ -34,12 +34,12 @@ steps:
   - name: testbuild
     image: thegeeklab/hugo:0.97.3
     commands:
-      - hugo --panicOnWarning -b http://localhost/
+      - hugo --panicOnWarning -b http://localhost:8000/
 
   - name: link-validation
     image: thegeeklab/link-validator
     commands:
-      - link-validator -ro
+      - link-validator --nice --external --skip-file .linkcheckignore
     environment:
       LINK_VALIDATOR_BASE_DIR: public
 
@@ -85,5 +85,3 @@ trigger:
 ---
 kind: signature
 hmac: 581c348d7f9cfe721ad007f370940f27cb72d6b56d259b133b7c62d31c72a23a
-
-...