fix: use user config dir and correct fzf check

Also stop printing the composed ssh command before connecting.

mtm-ssh-menu

@@ -1,8 +1,7 @@
 #!/usr/bin/env bash
 set -euo pipefail
 
-SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
-CONFIG_DIR="$SCRIPT_DIR/config"
+CONFIG_DIR="$HOME/.config/mtm-ssh-menu"
 
 usage() {
 	cat <<'EOF'
@@ -56,7 +55,7 @@ dependency_check() {
 		printf 'Error: ssh is required but not installed.\n' >&2
 		exit 1
 	fi
-	if command -v fzf >/dev/null 2>&1; then
+	if ! command -v fzf >/dev/null 2>&1; then
 		printf 'Error: fzf is required but not installed.\n' >&2
 		exit 1
 	fi
@@ -133,7 +132,7 @@ ssh_connect() {
 		SSH_SERVER_OPTIONS=""
 	fi
 
-	echo "ssh ${SSH_SERVER_OPTIONS} ${SSH_JUMP_HOST} ${SSH_SERVER_USER}@${SSH_SERVER_HOST}"
+	#echo "ssh ${SSH_SERVER_OPTIONS} ${SSH_JUMP_HOST} ${SSH_SERVER_USER}@${SSH_SERVER_HOST}"
 	# shellcheck disable=SC2086
 	ssh ${SSH_SERVER_OPTIONS} ${SSH_JUMP_HOST} "${SSH_SERVER_USER}"@"${SSH_SERVER_HOST}"
 }