Update gitignore to allow env.sh

Client/.gitignore

@@ -24,3 +24,5 @@ dist-ssr
 *.sw?
 
 .env
+
+!env.sh

Client/env.sh

@@ -0,0 +1,8 @@
+#!/bin/sh
+for i in $(env | grep UPTIME_APP_)
+do
+    key=$(echo $i | cut -d '=' -f 1)
+    value=$(echo $i | cut -d '=' -f 2-)
+    echo $key=$value
+    find /usr/share/nginx/html -type f \( -name '*.js' -o -name '*.css' \) -exec sed -i "s|${key}|${value}|g" '{}' +
+done