Hello newbie, and welcome to SoM. Here you'll find a lot of helpful tips, a d tricks, but also online covens, chats, and plenty of well written articles.
Here are a couple links to get you started on the following. Follow these, or refer back to them when needed.
I gave you the following links for chatter rules, FAQs, tips, and newbie central. These will tell you about the site, what it offers, and tips on how to start out. Ask a moderator or a ranked person for various activity help. If your into shamansim, try Personified. If into wicca, try asking Lark.
Also yes your named from a goddess. Diana is the roman form of Artemis who is Greek. Diana as well as Artemis is the goddess of the moon, hunt, childbirth, and various issues like protection over woman and children.
Message me for more, to do this click my name and you will see a long bar on top. Click mail, and your set. Good day, blessed be.