updated readme

Signed-off-by: Rahul Jadhav <r@accuknox.com>

README.md

@@ -1,5 +1,10 @@
 # Linux Kernel Configs for Popular distros
 
+I frequently needed a way to check a kernel config and other configuration for popular distributions so that I can make a dev/design decision.
+
+**My specific use-case**:
+I was working on supporting [KubeArmor](https://github.com/kubearmor/kubearmor) on popular distros. KubeArmor leverages LSMs (Linux Security Modules) and eBPF for in kernel policy controls. We had to refer to kernel configs for making design/dev decisions regarding whether we can depend on a certain kernel primitive. The boot configs part of this repo helped for making an informed choice.
+
 ## How to get the details and raise a PR for new OS/Distro?
 
 Use following command to create a Distro/Kernel specific folder with the corresponding markdowns: