Add localization configuration to Postgres installation

linux.md

@@ -199,6 +199,8 @@ Make sure that you're running the 2nd-newest OS version or the newest version -
     sudo apt update
     sudo apt install postgresql-16
     echo "export PSQL_PAGER=\"less --chop-long-lines --header 1\"" >> ~/`[[ $SHELL == *"zsh" ]] && echo '.zshenv' || echo '.bashrc'`
+    PGDATA=$(dirname "$(sudo -u postgres psql --tuples-only --pset format=unaligned --command "SHOW config_file;")")
+    perl -i -pe 's/^[#\s]*(lc_messages|lc_time)\s*=.+$/\1 = '\''en_US.UTF-8'\''/' "$PGDATA/postgresql.conf"
     source ~/`[[ $SHELL == *"zsh" ]] && echo '.zshenv' || echo '.bashrc'`
     ```
 
@@ -473,6 +475,7 @@ Make sure that you're running the 2nd-newest OS version or the newest version -
 ## Optional Software
 
 1. If you would like to check the spelling of all code you write in VS Code, try out [Code Spell Checker](https://marketplace.visualstudio.com/items?itemName=streetsidesoftware.code-spell-checker). You can install on the command line with this command:
+
    ```bash
    code --install-extension streetsidesoftware.code-spell-checker
    ```

macos.md

@@ -191,7 +191,8 @@ Make sure that you're running the 2nd-newest macOS version or the newest version
 
     ```bash
     [[ -d /opt/homebrew/var/postgresql@16 ]] && PGDATA_TMP=/opt/homebrew/var/postgresql@16 || PGDATA_TMP=/usr/local/var/postgresql@16
-    echo "\nexport PGDATA=$PGDATA_TMP\nexport LC_ALL=en_US.UTF-8\nexport PSQL_PAGER=\"less --chop-long-lines --header 1\"" >> ~/`[[ $SHELL == *"zsh" ]] && echo '.zshrc' || echo '.bash_profile'`
+    echo "\nexport PGDATA=$PGDATA_TMP\nexport PSQL_PAGER=\"less --chop-long-lines --header 1\"" >> ~/`[[ $SHELL == *"zsh" ]] && echo '.zshrc' || echo '.bash_profile'`
+    perl -i -pe 's/^[#\s]*(lc_messages|lc_time)\s*=.+$/\1 = '\''en_US.UTF-8'\''/' "$PGDATA/postgresql.conf"
     source ~/`[[ $SHELL == *"zsh" ]] && echo '.zshrc' || echo '.bash_profile'`
     ```
 

windows.md

@@ -256,6 +256,7 @@ With those compatibility things out of the way, you're ready to start the system
     echo "export PATH=\$PATH:\"/c/Program Files/PostgreSQL/16/bin\"" >> "$USERPROFILE/.bash_profile"
     echo "export PGDATA=\"/c/Program Files/PostgreSQL/16/data\"" >> "$USERPROFILE/.bash_profile"
     echo "export PSQL_PAGER=\"less --chop-long-lines --header 1\"" >> "$USERPROFILE/.bash_profile"
+    perl -i -pe 's/^[#\s]*(lc_messages|lc_time)\s*=.+$/\1 = '\''en_US.UTF-8'\''/' "$PGDATA/postgresql.conf"
     source "$USERPROFILE/.bash_profile"
     ```