Add script for message generation

- set TZ to UTC(+0)

tool/generate_all_message.sh

@@ -0,0 +1,10 @@
+#!/bin/bash
+
+## Run from the root directory of the repo to generate & compile all messages
+
+TZ="UTC" pybabel extract -F ./locale/babel.cfg -o ./locale/messages.pot ./
+
+pybabel update -l ja -d ./locale/ -i ./locale/messages.pot 
+pybabel update -l hi -d ./locale/ -i ./locale/messages.pot 
+
+pybabel compile -f -d ./locale/