docs: added snap problem to FAQ (#348)

* List possible alternatives for snap

Co-authored-by: Ranieri Althoff <[email protected]>

README.md

@@ -175,6 +175,14 @@ you'll need to specify that in the command.
   ```
 </details>
 
+<details>
+  <summary>
+    I installed Node as a <a href="https://snapcraft.io/node">snap</a>, and I can't install node-argon2.
+  </summary>
+
+  This seems to be an issue related to snap (see [#345 (comment)](https://github.com/ranisalt/node-argon2/issues/345#issuecomment-1164178674)). Installing Node with another package manager, such as [asdf](https://asdf-vm.com/) or [nvm](https://github.com/nvm-sh/nvm), is a possible workaround.
+</details>
+
 ## Contributors
 
 ### Code contributors