Add reload and status alises to postgres

plugins/postgres/postgres.plugin.zsh

-# Aliases to stop, start and restart Postgres
-# Paths noted below are for Postgress installed via Homebrew on OSX
+# Aliases to control Postgres
+# Paths noted below are for Postgres installed via Homebrew on OSX
 
 alias startpost='pg_ctl -D /usr/local/var/postgres -l /usr/local/var/postgres/server.log start'
 alias stoppost='pg_ctl -D /usr/local/var/postgres stop -s -m fast'
-alias restartpost='stoppost && sleep 1 && startpost'
+alias restartpost='stoppost && sleep 1 && startpost'
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+alias reloadpost='pg_ctl reload -D /usr/local/var/postgres -s'
+alias statuspost='pg_ctl status -D /usr/local/var/postgres -s'
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