Move WIP docs to WIP dir

diff --git a/pdns/docs/alias.md b/pdns/docs/WIP/alias.md
similarity index 100%
rename from pdns/docs/alias.md
rename to pdns/docs/WIP/alias.md

diff --git a/pdns/docs/web-api.md b/pdns/docs/WIP/web-api.md
similarity index 100%
rename from pdns/docs/web-api.md
rename to pdns/docs/WIP/web-api.md