add --path flag to docs for infisical secrets set

docs/cli/commands/secrets.mdx

@@ -90,6 +90,14 @@ $ infisical secrets set STRIPE_API_KEY=sjdgwkeudyjwe DOMAIN=example.com HASH=jeb
 
     Default value: `dev`
   </Accordion>
+  <Accordion title="--path">
+    Used to select the project folder in which the secrets will be set. Useful when creating new secrets under a particular path.
+
+    ```bash
+    # Example
+    infisical secrets set DOMAIN=example.com --path /backend
+    ```
+  </Accordion>
 </Accordion>
 
 <Accordion title="infisical secrets delete">