Update md files in preparation of the 6.2.0 release

Author: jbonofre

README.md

@@ -18,11 +18,13 @@ Getting Started
 To help you get started, try the following links:
 
 Getting Started
-- https://activemq.apache.org/version-5-getting-started.html
+- You need JDK17+ to run Apache ActiveMQ
+- After having extracted ActiveMQ binary distribution, you can start ActiveMQ with `./bin/activemq console` (foreground) or `./bin/activemq start`
+- Docker images are also available on Docker Hub (https://hub.docker.com/r/apache/activemq-classic)
 
 Building
-- [Windows](https://activemq.apache.org/version-5-getting-started.html#installation-procedure-for-windows)
-- [Unix](https://activemq.apache.org/version-5-getting-started.html#installation-procedure-for-unix)
+- You can build (fast) using Apache Maven: `mvn clean install -DskipTests`
+- You can build (including all tests) using Apache Maven: `mvn clean install`
 
 Examples
 - https://activemq.apache.org/examples.html

SECURITY.md

@@ -4,10 +4,11 @@
 
 | Version | Supported          |
 | ------- | ------------------ |
-| 6.0.x   | :white_check_mark: |
-| 5.18.x   | :white_check_mark: |
-| 5.17.x   | :white_check_mark: |
-| <= 5.16.x | :x:                |
+| 6.2.x   | :white_check_mark: |
+| 6.1.x   | :white_check_mark: |
+| 6.0.x   | :x: |
+| 5.19.x   | :white_check_mark: |
+| <= 5.18.x | :x:                |
 
 ## Reporting a Vulnerability