Expand user manual

Author: vemv

doc/modules/ROOT/pages/config/basic_config.adoc

@@ -238,6 +238,14 @@ different configurations.
 In this example, the path `/src` will be translated to the correct path of your
 Clojure project on the host machine. And `/root/.m2` to the host's `~/.m2` folder.
 
+You need to run `lein deps` (or `clojure -P`, etc) in the host machine in order for
+navigation to fully work, at least once, and then, preferrably, every time your Maven dependencies change.
+This allows the `.m2` part of `cider-path-translations` to be actually useful.
+
+If you can't or won't do that, you can use TRAMP capabilities (which CIDER supports) instead of
+setting up `cider-path-translations`. For that, you'd typically need to set up a SSH daemon
+within your Docker image. 
+
 == Filter out namespaces in certain namespace-related commands
 
 You can hide all nREPL middleware details from `cider-browse-ns*` and `cider-apropos*`