Update out-dated information and aesthetic change for Databases
    
    What this change accomplishes:
    
    1. Move PostgreSql to Database Section
    2. Remove Tips and Trips in PostgreSQL and move to the following
    3. Add manage-sql-server.adoc and add GUI for Mysql/MariaDB/PostgreSQL
    4. Add install information phpPgadmin because in fedora 33 is out of repo.