Get default dimensions from somewhere

[todo]

renew-formalism-pt/src/parsers/PnmlParser.js

Lines 106 to 111 in 449db32

	label.width = 150; // TODO get default dimensions from somewhere
	label.height = 50;
	label.x = labelData.graphics.offset._attributes.x + element.x;
	label.x -= (label.width - element.width) / 2;
	label.y = labelData.graphics.offset._attributes.y + element.y;
	label.y -= (label.height - element.height) / 2;

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This issue was generated by todo based on a TODO comment in 449db32 when #13 was merged. cc @renew-js.

[0x4d]

See #14