src/utils/CodeBuilder.js/CodeBuilder/addBlockAtStart
class CodeBuilder:	addBlockAtStart ( block ) {
		if ( this.result ) {
			this.result = `${block}\n\n${this.result}`;
		} else {
			this.result += block;
		}

		this.first = BLOCK;
		if ( !this.last ) this.last = BLOCK;
	}