ADD: dev db clone scripts under windows

scripts/clone_db.bat

+psql -h localhost -U postgres -d postgres -a -f reload_db.sql
+pg_dump --format=custom -h localhost -p 5535 -U grade --no-password -d grade -f C:\work\Grade\postresql\grade-dump\dump-grade-latest.backup
+pg_restore -h localhost -U postgres -d testgrade C:\work\Grade\postresql\grade-dump\dump-grade-latest.backup
+psql -h localhost -U postgres -d testgrade -a -f post_reload.sql
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scripts/post_reload.sql

+update accounts set password=sha1('11111');
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scripts/reload_db.sql

+drop database testgrade;
+create database testgrade;
+\c testgrade
+create extension pgcrypto
+\q
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