Add man pages in markdown format

Signed-off-by: Mrunal Patel <mrunalp@gmail.com>

man/runc-kill.8.md

@@ -0,0 +1,15 @@
+# NAME
+   runc kill - kill sends the specified signal (default: SIGTERM) to the container's init process
+
+# SYNOPSIS
+   runc kill <container-id> <signal>
+
+Where "<container-id>" is the name for the instance of the container and
+"<signal>" is the signal to be sent to the init process.
+
+# EXAMPLE
+
+For example, if the container id is "ubuntu01" the following will send a "KILL"
+signal to the init process of the "ubuntu01" container:
+
+       # runc kill ubuntu01 KILL