Document tested usage

Author: shonfeder

README.org

@@ -18,7 +18,7 @@ opam pin git@github.com:shonfeder/nomad.git
 If you project's name is =dingus=
 
 #+BEGIN_SRC sh
-nomad new --bin dingus
+nomad new dingus
 #+END_SRC
 
 And a scaffold for building the dingus executable will be created in the
@@ -46,6 +46,10 @@ nomad sync
 And the dependencies declared in your project's =dune-project= will be synced
 using opam.
 
+** Examples
+
+For more examples of usage, see [[file:test/README.org][test/README.org]].
+
 * Plans and ideas
 
 See [[https://github.com/shonfeder/nomad/blob/master/project.org][project.org]].

test/README.org

@@ -0,0 +1,9 @@
+#+title: Examples
+
+Relatively exhaustive (annotated and tested) examples of nomad's usage are
+available in the blackbox tests:
+
+- [[file:new.t/run.t][Creating new projects]]
+- [[file:add.t/run.t][Adding components to a project]]
+- [[file:sync.t/run.t][Syncing a project's dependencies]]
+- [[file:config.t/][Inspecting and managing nomad's configuration]]

test/config.t/run.t

@@ -1,14 +1,15 @@
 Create an empty config to avoid searching into the runner environments file system
+
   $ mkdir .nomad && echo "()" > .nomad/config.sexp
 
-When no config file is specified, use the nearest config dir
+When no config values are specified, use the nearest config dir
 
   $ nomad config
   ((author "Author Name") (username github-username)
     (dev_packages
       (merlin>=4.6.1~5.0preview utop ocp-indent ocp-index odoc odig)))
 
-Can read data from the nearest config dir
+Can read config overrides from the nearest config dir
 
   $ echo '((author "Test Name") (username test-username))' > .nomad/config.sexp
   $ nomad config