Adding a tip to resolve ETIMEDOUT error (apache#36810)

BREEZE.rst

@@ -898,7 +898,7 @@ describe your problem.
 ETIMEOUT Error
 --------------
 
-When running ``breeze start-airflow``, the following output might be observed:
+When running ``breeze start-airflow``, either normally or in ``dev-mode``, the following output might be observed:
 
 .. code-block:: bash
 
@@ -963,6 +963,20 @@ In this case, disabling IPv6 in the host machine and using IPv4 instead resolved
 The similar issue could happen if you are behind an HTTP/HTTPS proxy and your access to required websites are
 blocked by it, or your proxy setting has not been done properly.
 
+It also could be possible that you have a proxy which is not available from your network, leading to the timeout
+issues. You may try these in the same terminal and then try the ``breeze start-airflow`` command:
+
+.. code-block::
+
+    npm config delete http-proxy
+    npm config delete https-proxy
+
+    npm config rm proxy
+    npm config rm https-proxy
+
+    set HTTP_PROXY=null
+    set HTTPS_PROXY=null
+
 Advanced commands
 =================