Variable name reworking; laid foundation for GPG encryption (instead of OpenSSL)

header.sh

@@ -13,9 +13,10 @@ cat << EOF
 if [ -z "\$HOME" ]; then HOME=/home/"\$(whoami)"; fi
 
 PROD_STR="$PROD_STR"
-VER_STR="$VER_STR"
-ROOTDIR="\$HOME"/.config/sns
-BASEDIR="\$ROOTDIR"/notes
-CONFIGURATION="\$ROOTDIR/sns.conf"
+readonly VER_STR="$VER_STR"
+readonly ROOT_DIR="\$HOME"/.config/xenlabs/sns
+readonly BASE_DIR="\$ROOT_DIR"/notes
+readonly TMP_DIR="\$ROOT_DIR"/tmp
+readonly CONFIG_FILE="\$ROOT_DIR/sns.conf"
 
 EOF