add mapValue parsing + fix indentation document.gd

GodotNuts / GodotFirebase

Implementations of Firebase for Godot using GDScript

MIT License

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Closed fenix-hub closed 3 years ago

fenix-hub commented 3 years ago

related to #85 #80

added parsing for Firebase mapValue, now it is possible to directly pass nested dictionaries without arrays handling them
```
collection.add(DOCUMENT_ID, { "a_string":"STRING", "an_array":["array"], "a_dictionary": {"key":"value"} }
```
Everything is also properly parsed back to string in Godot to print it directly