Add possible solution to solve trailing slash "/" issue

Using-an-alternate-base-dir.md

@@ -23,6 +23,17 @@ Simply configure your domain URL to include the base dir. For example, suppose y
 4. Restart bitwarden_rs.
 5. You should now be able to access the web vault at `https://bitwarden.example.com/base-dir/` (note the trailing slash). For reasons not entirely clear, you'll probably run into issues if you use `https://bitwarden.example.com/base-dir` (without the trailing slash).
 6. Configure your apps or browser extensions to use `https://bitwarden.example.com/base-dir`. If you add a trailing slash, the apps and extensions will automatically remove it before saving.
+7. Note over **5**. The trailing slash `/` issue could be solved by appending `/` after the route location string. For example, in nginx.
+
+```
+  location /my-base-path {
+    # This config would cause `/` issue
+  }
+
+  location /my-base-path-2/ {
+    # This config works perfectly
+  }
+```
 
 ## Reverse proxying