code: function embedFont(fontFile) {
  			// Convert to data:uri
  			var dataUri = fs.readFileSync(fontFile, 'base64');
  			var type = path.extname(fontFile).substring(1);
  			var fontUrl = 'data:application/x-font-' + type + ';charset=utf-8;base64,' + dataUri;
  
  			// Remove font file
  			fs.unlinkSync(fontFile);
  
  			return fontUrl;
  		}
docs: Convert font file to data:uri and remove source file
  
  @param {String} fontFile Font file path
  @return {String} Base64 encoded string