config: use TOML instead of INI unfortunately, INI is not enough, and causes some paths including semicolons to break with our current storage of the library folders. so, I decided to switch to TOML which does support real arrays...

<transition source="idle" target="run">
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<transition source="run" target="attack">
	<event name="key_ctrl" />
	<condition expr="weapon != null" />
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