Frontent dev env (#247)

* Added frontend development files/environment

* More items-categories related removals

* Improvements in pages templates (inc. static pages)

* Improvements in video player

* Added empty home page message + cta

* Updates in media, playlist and management pages

* Improvements in material icons font loading

* Replaced media & playlists links in frontend dev-env

* frontend package version update

* chnaged frontend dev url port

* static files update

* Changed default position of theme switcher

* enabled frontend docker container

frontend/packages/scripts/lib/webpack-helpers/pagesConfig.ts

@@ -0,0 +1,37 @@
+const fs = require('fs');
+const path = require('path');
+
+const ejs = require('ejs');
+
+const templatePath = path.join(__dirname, '../templates');
+const sitemapTemplatePath = path.join(templatePath, 'sitemap.ejs');
+
+const sitemapTemplate = ejs.compile(fs.readFileSync(sitemapTemplatePath, 'utf8'), { root: [templatePath], filename: sitemapTemplatePath, outputFunctionName: 'echo' });
+
+import { ConfigPages } from '../config';
+
+export default function pagesConfig(pagesKeys: string[]): ConfigPages {
+
+	const pages: ConfigPages = {};
+
+	if (-1 === pagesKeys.indexOf('sitemap')) {
+
+		pages.sitemap = {
+			staticPage: true,
+			buildExclude: true,
+			title: 'Sitemap',
+			filename: 'sitemap.html',
+			html: {
+				head: {},
+				body: {
+					scripts: [],
+					snippet: sitemapTemplate({ pages: [...pagesKeys, ...Object.keys(pages)] }),
+				},
+			},
+			window: {},
+			render: ''
+		};
+	}
+
+	return pages;
+}