web: support loading pwa-worker.js from subdir (#1517)

web/rootfs/defaults/meet.conf

@@ -140,6 +140,13 @@ location @root_path {
 }
 
 {{ if $ENABLE_SUBDOMAINS }}
+    # Matches /(TENANT)/pwa-worker.js or /(TENANT)/manifest.json to rewrite to / and look for file
+    location ~ ^/([^/?&:'"]+)/(pwa-worker.js|manifest.json)$ {
+        set $subdomain "$1.";
+        set $subdir "$1/";
+        rewrite ^/([^/?&:'"]+)/(pwa-worker.js|manifest.json)$ /$2;
+    }
+
     location ~ ^/([^/?&:'"]+)/config.js$ {
         set $subdomain "$1.";
         set $subdir "$1/";