Indentation does not match the formatting one

[upsidedownsweetfood]

The auto-indent value seems not to be correct, as the gleam format command seems to use two spaces, while the editor defaults to four.

[upsidedownsweetfood]

So It seems like this is not something that is supported by tree-sitter, but rather it comes from the nvim-treesitter plugin.

My solution was to add a .editorconfig file with the following content:

[*]
indent_style=space
indent_size=2