Add apache resources

Matching content from https://github.com/kamranahmedse/developer-roadmap/blob/master/content/roadmaps/101-backend/content/122-web-servers/101-apache.md

content/roadmaps/102-devops/content/104-setting-up-x/106-apache.md

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-# Apache
+# Apache
+
+Apache is a free, open-source HTTP server, available on many operating systems, but mainly used on Linux distributions. It is one of the most popular options for web developers, as it accounts for over 30% of all the websites, as estimated by W3Techs.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='blue' badgeText='Official Website' href='https://httpd.apache.org/'>Apache Server Website</BadgeLink>
+<BadgeLink badgeText='Watch' href='https://www.youtube.com/watch?v=kaaenHXO4t4'>What is Apache Web Server?</BadgeLink>