adding mermaid packages

node_modules/datauri/template/css.d.ts

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+declare function _exports(data: any): string;
+export = _exports;

node_modules/datauri/template/css.js

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+'use strict';
+const TAB = '    ';
+const SIZE_PROPS = key => /(width|height|background\-size)/g.test(key);
+const PROP_VALUE = (size, key) => (key === 'background-size') ?
+    `${size.width}px ${size.height}px`
+    : `${size[key]}px`;
+const PROP_SIZE = (size, key) => `${TAB}${key}: ${PROP_VALUE(size, key)};`;
+const BASE_CSS = (data) => [
+    '',
+    `.${data.class.replace(/\s+/gi, '_')} {`,
+    `${TAB}background-image: url('${data.background}');`
+];
+const SIZE = data => Object.keys(data).filter(SIZE_PROPS).map(PROP_SIZE.bind(null, data.dimensions));
+module.exports = data => BASE_CSS(data).concat(SIZE(data), ['}']).join('\n');

node_modules/datauri/template/uri.d.ts

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+declare function _exports(data: any): string;
+export = _exports;

node_modules/datauri/template/uri.js

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+'use strict';
+module.exports = data => `data:${data.mimetype};base64,${data.base64 || ''}`;