Added details about RKT and LXC (#1922)

* Added Details about RKT in 101-rkt.md

* Added Details about LXC in 102-lxc.md

* Update content/roadmaps/101-backend/content/118-containerization/101-rkt.md

Co-authored-by: Kamran Ahmed <kamranahmed.se@gmail.com>

content/roadmaps/101-backend/content/118-containerization/101-rkt.md

@@ -1 +1,13 @@
-# Rkt
+# RKT
+
+RKT(pronounced like a "rocket") is an application container engine developed for modern production cloud-native environments. It features a pod-native approach, a pluggable execution environment, and a well-defined surface area that makes it ideal for integration with other systems.
+
+
+RKT project was ended in 2018.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='blue' badgeText='Official Website' href='https://rocket.readthedocs.io/en/latest/Documentation/trying-out-rkt/'>RKT Documentation</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.redhat.com/en/topics/containers/what-is-rkt'>What is RKT?</BadgeLink>
+<BadgeLink colorScheme='green' badgeText='Github Repo' href='https://github.com/rkt/rkt'>What is RKT?</BadgeLink>
+<BadgeLink badgeText='Watch' href='https://youtu.be/JgUEXKTSVXw'>Introduction to RKT</BadgeLink>
+<BadgeLink badgeText='Watch' href='https://youtu.be/mRlQC6s8IwM'>The RKT Container Runtime - Explanation & Demonstration</BadgeLink>

content/roadmaps/101-backend/content/118-containerization/102-lxc.md

@@ -1 +1,9 @@
-# Lxc
+# LXC
+
+LXC is an abbreviation used for Linux Containers which is an operating system that is used for running multiple Linux systems virtually on a controlled host via a single Linux kernel. LXC is a userspace interface for the Linux kernel containment features. Through a powerful API and simple tools, it lets Linux users easily create and manage system or application containers.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='blue' badgeText='Official Website' href='https://linuxcontainers.org/lxc/documentation/'>LXC Documentation</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://linuxcontainers.org/lxc/introduction/'>What is LXC?</BadgeLink>
+<BadgeLink badgeText='Watch' href='https://youtu.be/_KnmRdK69qM'>Linux Container (LXC) Introduction</BadgeLink>
+<BadgeLink badgeText='Watch' href='https://youtu.be/CWmkSj_B-wo'>Getting started with LXC containers</BadgeLink>