Progressive Web Apps resources added (#1009)

content/roadmaps/100-frontend/content/117-progressive-web-apps/readme.md

@@ -1 +1,7 @@
-# Progressive web apps
+# Progressive Web Apps
+
+Progressive Web Apps (PWAs) are websites that are progressively enhanced to function like installed, native apps on supporting platforms, while functioning like regular websites on other browsers.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink badgeText='Read' colorScheme="yellow" href='https://www.freecodecamp.org/news/what-are-progressive-web-apps/'>Progressive Web Apps for Beginners</BadgeLink>
+<BadgeLink badgeText='Watch' href='https://www.youtube.com/watch?v=sFsRylCQblw'>Build a Progressive Web App</BadgeLink>