A loader for loading a .svg resource.
		Scalable Vector Graphics is an XML-based vector image format for two-dimensional graphics with support for interactivity and animation.
		
		// instantiate a loader
		const loader = new SVGLoader();
		// load a SVG resource
		loader.load(
			// resource URL
			'data/svgSample.svg',
			// called when the resource is loaded
			function ( data ) {
				const paths = data.paths;
				const group = new THREE.Group();
				for ( let i = 0; i < paths.length; i ++ ) {
					const path = paths[ i ];
					const material = new THREE.MeshBasicMaterial( {
						color: path.color,
						side: THREE.DoubleSide,
						depthWrite: false
					} );
					const shapes = SVGLoader.createShapes( path );
					for ( let j = 0; j < shapes.length; j ++ ) {
						const shape = shapes[ j ];
						const geometry = new THREE.ShapeGeometry( shape );
						const mesh = new THREE.Mesh( geometry, material );
						group.add( mesh );
					}
				}
				scene.add( group );
			},
			// called when loading is in progresses
			function ( xhr ) {
				console.log( ( xhr.loaded / xhr.total * 100 ) + '% loaded' );
			},
			// called when loading has errors
			function ( error ) {
				console.log( 'An error happened' );
			}
		);
		
		[example:webgl_loader_svg]
[page:LoadingManager manager] — The [page:LoadingManager loadingManager] for the loader to use. Default is [page:LoadingManager THREE.DefaultLoadingManager].
Creates a new [name].
See the base [page:Loader] class for common properties.
See the base [page:Loader] class for common methods.
		[page:String url] — A string containing the path/URL of the .svg file.
		[page:Function onLoad] — (optional) A function to be called after loading is successfully completed. The function receives an array of [page:ShapePath] as an argument.
		[page:Function onProgress] — (optional) A function to be called while the loading is in progress. The argument will be the XMLHttpRequest instance, which contains [page:Integer total] and [page:Integer loaded] bytes.
		[page:Function onError] — (optional) A function to be called if an error occurs during loading. The function receives the error as an argument.
		
Begin loading from url and call onLoad with the response content.
		[page:ShapePath shape] — A ShapePath from the array of [page:ShapePath], given as argument in the onLoad function for the load function of [page:SVGLoader].
		
Returns one or more [page:Shape] objects created from the [param:ShapePath shape] provided as an argument in this function.
[link:https://github.com/mrdoob/three.js/blob/master/examples/jsm/loaders/SVGLoader.js examples/jsm/loaders/SVGLoader.js]