Merge pull request #2036 from tjramos/purpose-readme-contribution

Added "What to Use Jenkins for and When to Use It"

README.md

@@ -5,6 +5,17 @@ In a nutshell, Jenkins is the leading open-source automation server.
 Built with Java, it provides over 1000 plugins to support automating virtually anything, 
 so that humans can actually spend their time doing things machines cannot.
 
+# What to Use Jenkins for and When to Use It
+
+Use Jenkins to automate your development workflow so you can focus on work that matters most. Jenkins is commonly used for:
+
+- Building projects
+- Running tests to detect bugs and other issues as soon as they are introduced
+- Static code analysis
+- Deployment
+
+Execute repetitive tasks, save time, and optimize your development process with Jenkins.
+
 # Downloads
 Non-source downloads such as WAR files and several Linux packages can be found on our [Mirrors].