add tmux plugin copycat

.tmux/copycat/scripts/copycat_mode_quit.sh

@@ -0,0 +1,36 @@
+#!/usr/bin/env bash
+
+CURRENT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+
+source "$CURRENT_DIR/helpers.sh"
+
+unbind_cancel_bindings() {
+	local cancel_mode_bindings=$(copycat_quit_copy_mode_keys)
+	local key
+	for key in $cancel_mode_bindings; do
+		tmux unbind-key -n "$key"
+	done
+}
+
+unbind_prev_next_bindings() {
+	tmux unbind-key -n "$(copycat_next_key)"
+	tmux unbind-key -n "$(copycat_prev_key)"
+}
+
+unbind_all_bindings() {
+	unbind_cancel_bindings
+	unbind_prev_next_bindings
+}
+
+main() {
+	if in_copycat_mode; then
+		reset_copycat_position
+		unset_copycat_mode
+		copycat_decrease_counter
+		# removing all bindings only if no panes are in copycat mode
+		if copycat_counter_zero; then
+			unbind_all_bindings
+		fi
+	fi
+}
+main