Driver/Erlang: Add dedicated page

Author: amotl

docs/connect/erlang.md

@@ -15,20 +15,13 @@ Erlang includes an [ODBC application] out of the box that provides an
 interface to communicate with relational SQL-databases, see also
 [Erlang ODBC examples].
 
-:::{rubric} Prerequisites
-:::
-
-Install ODBC driver.
-
-`odbcinst.ini`
-```ini
-[PostgreSQL]
-Description     = PostgreSQL ODBC driver
-Driver          = /usr/local/lib/psqlodbcw.so
+::::{todo}
+Enable this include with the [ODBC patch](https://github.com/crate/cratedb-guide/pull/411).
 ```
-```shell
-odbcinst -i -d -f odbcinst.ini
+:::{include} _odbc-setup-widget.md
+:::
 ```
+::::
 
 :::{rubric} Synopsis
 :::
@@ -39,12 +32,12 @@ odbcinst -i -d -f odbcinst.ini
 
 main(_) ->
     odbc:start(),
-    {ok, Ref} = odbc:connect("Driver={PostgreSQL};Servername=localhost;Portnumber=5432;Uid=crate;Pwd=crate", []),
+    {ok, Ref} = odbc:connect("Driver={PostgreSQL ODBC Driver(UNICODE)};Server=localhost;Port=5432;Uid=crate;Pwd=crate", []),
     io:fwrite("~p~n", [odbc:sql_query(Ref, "SELECT mountain, height FROM sys.summits ORDER BY height DESC LIMIT 3")]),
     init:stop().
 ```
 
-Start CrateDB using Docker or Podman, then compile and invoke example program.
+Start CrateDB using Docker or Podman, then compile and invoke the example program.
 ```shell
 docker run --rm --publish=5432:5432 crate -Cdiscovery.type=single-node
 ```
@@ -84,7 +77,7 @@ start() ->
     init:stop().
 ```
 
-Start CrateDB using Docker or Podman, then compile and invoke example program.
+Start CrateDB using Docker or Podman, then compile and invoke the example program.
 ```shell
 docker run --rm --publish=5432:5432 crate -Cdiscovery.type=single-node
 ```
@@ -93,7 +86,6 @@ rebar3 compile
 erlc epgsql_example.erl
 erl -pa ebin ./_build/default/lib/epgsql/ebin ./_build/default/lib/epgsql/include -noshell -run epgsql_example
 ```
-Stop the REPL using `CTRL+G`, `q`, `ENTER`.
 
 :::{rubric} CrateDB Cloud
 :::