Add an inline doc example

Author: cjbj

doc/api.md

@@ -7628,8 +7628,9 @@ Node-oracledb looks for the Oracle Client libraries as follows:
       in the directory where the `oracledb*.node` binary is.  For example in
       `node_modules/oracledb/build/Release`.  This directory should contain the
       libraries from an unzipped Instant Client 'Basic' or 'Basic Light'
-      package.  If the libraries are not found, no error is thrown and the
-      search continues, see next bullet point.
+      package.  For example, use `ln -s
+      ~/instantclient_19_3/libclntsh.dylib node_modules/oracledb/build/Release/`.  If the libraries are not found, no error
+      is thrown and the search continues, see next bullet point.
 
     - In `/usr/lib/dir`.  If the Oracle Client libraries cannot be loaded, then
       an error is thrown.