DOCS: adding Cyber readme and links to docs

Author: natashadsouza

RELEASE.md

@@ -7,7 +7,7 @@ Apollo 3.5 is capable of navigating through complex driving scenarios such as re
     * VLS - 128 Line LiDAR
     * FPD-Link Cameras
     * Continental high-range function radars
-    * Apollo Extension Unit (AXU)
+    * Apollo Expansion Unit (AXU)
     * Additional IPC
 * Brand new Runtime Framework - **Apollo CyberRT** which is specifically targeted towards autonomous driving
 * New Perception algorithms

docs/FAQs/README.md

@@ -10,3 +10,4 @@
 - [Hardware FAQs cn](Hardware_FAQs_cn.md)
 - [Software FAQs](Software_FAQs.md)
 - [Software FAQs cn](Software_FAQs_cn.md)
+- [Apollo Cyber RT FAQs](CyberRT_FAQs.md)

docs/README.md

@@ -14,5 +14,8 @@ Apollo documents contain the following folders:
 ---
 - **[Howto Guide](howto/README.md)** - Brief technical solutions to common problems that developers face during the installation and use of the Apollo platform 
 ---
+- **[Cyber](cyber/README.md)** -  All you need to know about Apollo Cyber RT
+---
+
 - **[FAQs](FAQs/README.md)** 
 

docs/cyber/README.md

@@ -0,0 +1,12 @@
+# Apollo Cyber RT
+
+
+* [Apollo Cyber RT Quick Start](CyberRT_Quick_Start.md): Everything you need to know about how to start developing your first application module on top of Apollo Cyber RT. 
+
+* [Apollo Cyber RT Developer Tools](CyberRT_Developer_Tools.md): Detailed guidance on how to use the developer tools from Apollo Cyber RT. 
+
+* [Apollo Cyber RT API for Developers](CyberRT_API_for_Developers.md): A comprehensive guide to explore all the APIs of Apollo Cyber RT, with many concrete examples in source code.
+
+* [Apollo Cyber RT FAQs](https://github.com/ApolloAuto/apollo/tree/master/docs/FAQs/CyberRT_FAQs.md): Answers to the most frequently asked questions about Apollo Cyber RT.
+
+More documents to come soon!