Scripts: move away from github pages

Docs/ServerConfig/hetzner/Caddyfile

@@ -6,6 +6,22 @@ builds.mapcomplete.org {
 	}
 }
 
+mapcomplete.org {
+    root * public/master/
+    	try_files {path}.html
+    	file_server
+    	header {
+    		+Permissions-Policy "interest-cohort=()"
+    	}
+        handle_errors {
+            @404 {
+                expression {http.error.status_code} == 404
+            }
+            rewrite @404 /404.html
+            file_server
+        }
+}
+
 dev.mapcomplete.org {
 	root * public/develop/
 	try_files {path}.html