[redirects-web/proxy] Add docs.gtk.org

[Bartłomiej Piotrowski <bpiotrowski src gnome org>]

commit d76a9339d870d4e123b6868ee634ccca77a95d00
Author: Bartłomiej Piotrowski <bpiotrowski gnome org>
Date:   Fri Mar 19 13:46:16 2021 +0100

    Add docs.gtk.org

 conf.d/docs.gtk.org.conf | 15 +++++++++++++++
 1 file changed, 15 insertions(+)
---
diff --git a/conf.d/docs.gtk.org.conf b/conf.d/docs.gtk.org.conf
new file mode 100644
index 0000000..181ea67
--- /dev/null
+++ b/conf.d/docs.gtk.org.conf
@@ -0,0 +1,15 @@
+server {
+    listen 8080;
+    listen [::]:8080;
+    server_name docs.gtk.org;
+
+    location / {
+        proxy_set_header Host teams.pages.gitlab.gnome.org;
+        proxy_set_header X-Forwarded-Host "";
+        proxy_pass https://gnome.pages.gitlab.gnome.org/gtk/;
+    }
+
+    location /.well-known/acme-challenge {
+        return 301 https://letsencrypt.gnome.org$request_uri;
+    }
+}