feature: Add Tasha's Cauldron of Everything

- Add base items
- Move EE Races to Supplements
- Renamed some sources
- Fixed variant subclass features appearing in other sources

Collections/CoreRulebooks.xml

@@ -1,5 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <collection>
+    <!-- Core Rulebooks -->
     <doc href="../FightClub5eXML/Sources/PlayersHandbook/backgrounds-phb.xml" />
     <doc href="../FightClub5eXML/Sources/PlayersHandbook/bestiary-phb.xml" />
     <doc href="../FightClub5eXML/Sources/PlayersHandbook/class-barbarian-phb.xml" />
@@ -15,6 +16,7 @@
     <doc href="../FightClub5eXML/Sources/PlayersHandbook/class-warlock-phb.xml" />
     <doc href="../FightClub5eXML/Sources/PlayersHandbook/class-wizard-phb.xml" />
     <doc href="../FightClub5eXML/Sources/PlayersHandbook/feats-phb.xml" />
+    <doc href="../FightClub5eXML/Sources/PlayersHandbook/items-base-phb.xml" />
     <doc href="../FightClub5eXML/Sources/PlayersHandbook/items-phb.xml" />
     <doc href="../FightClub5eXML/Sources/PlayersHandbook/races-phb.xml" />
     <doc href="../FightClub5eXML/Sources/PlayersHandbook/spells-phb.xml" />