chore: did not implement :bw

I do not think this is totally necessary, but I left a TODO.

internal/command/handlers.go

@@ -318,11 +318,12 @@ func cmdRegisters(m action.Model, args []string, force bool) tea.Cmd {
 // - :bp — previous buffer (wraps, currently panics on wrap-back)
 // - :bf — first buffer
 // - :bl — last buffer
+
 // Opening / closing
 // - :e <file> — open file into new buffer
 // - :bd — delete (unload) current buffer
 // - :bd <n> — delete buffer n
-// - :bw — wipe buffer completely
+// - :bw — wipe buffer completely // TODO: Implement this
 
 // cmdListBuffers: Handles :buffers & :ls command. Lists the active buffers.
 func cmdListBuffers(m action.Model, args []string, force bool) tea.Cmd {