docs: Update Ongoing section

Author: Krysztal112233

README.md

@@ -16,6 +16,7 @@ Ongoing:
 * `pgrep`: Searches for processes based on name and other attributes.
 * `pidof`: Find the process ID of a running program.
 * `pidwait`: Waits for a specific process to terminate.
+* `pkill`: Kills processes based on name and other attributes.
 * `pmap`: Displays the memory map of a process.
 * `ps`: Displays information about active processes.
 * `pwdx`: Shows the current working directory of a process.
@@ -27,7 +28,6 @@ Ongoing:
 
 TODO:
 * `hugetop`: Report hugepage usage of processes and the system as a whole.
-* `pkill`: Kills processes based on name and other attributes.
 * `skill`: Sends a signal to processes based on criteria like user, terminal, etc.
 * `sysctl`: Read or write kernel parameters at run-time.
 * `tload`: Prints a graphical representation of system load average to the terminal.