Add some client examples to docs

[Dr-Electron]

Description of change

Added some client examples.

TODOs:

• I wanted to add a get_routes example to check if the indexer plugin is enabled. But then I saw there is no function for that in the bindings yet. Or did I overlook something?
• In python the function is called get_node_health instead of get_health. And the function is broken. I will update it

Links to any relevant issues

Fixes #599

Type of change

• Documentation Enhancement

How the change has been tested

Tested locally

Change checklist

• I have followed the contribution guidelines for this project
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• I have added tests that prove my fix is effective or that my feature works
• I have checked that new and existing unit tests pass locally with my changes

[kwek20]

Soooo for the nodejs example output (output=result of running a command) weve updated the types so now they have a differnet output. Whats the strategy for this? when do we update the output?