Use public IP for git clone in install script

Target servers won't have the gitea SSH alias, so use the direct
SSH URL with the public IP for remote installs.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

scripts/install.sh

@@ -6,7 +6,7 @@ set -eo pipefail
 
 INSTALL_DIR="/usr/local/gniza"
 BIN_LINK="/usr/local/bin/gniza"
-REPO_SSH="gitea:shukivaknin/gniza.git"
+REPO_SSH="ssh://git@182.54.236.100:2222/shukivaknin/gniza.git"
 TMPDIR_CLONE=""
 
 if [[ $EUID -ne 0 ]]; then