added let's encrypt challenge

.gitlab-ci.yml

@@ -20,6 +20,7 @@ pages:
       - rm -rf node_modules .public public
       - mkdir .public
       - cp -r * .public
+      - cp -r .well-known .public   # for let's encrypt
       - mv .public public
     artifacts:
         paths:

.well-known/acme-challenge/4VCd-x0J9qsZgGuJ-c3Wu_KpOphzhjXfVhEyFGBCQ-c

@@ -0,0 +1 @@
+4VCd-x0J9qsZgGuJ-c3Wu_KpOphzhjXfVhEyFGBCQ-c.x_X1OQlfsQAsCyXJHKuPmU8SV-1VK_3KvYbbl7KY81A