add age encryption related scripts

scripts/encript-file-by-age.sh

@@ -0,0 +1,12 @@
+#!/usr/bin/bash
+set -e
+
+filePath=$1
+
+AGE_PUB_KEY="age1d47q8mlty404pxx378q49hr93aqexca4mkeqtdm00w4gjd09xd0qhxcdcz"
+
+sops --age=$AGE_PUB_KEY --encrypt --encrypted-regex '^(data|stringData)$' --in-place $filePath
+echo "File encrypted: $filePath."
+
+git add $filePath
+git commit -am "Encrypt file $filePath by Age."