feature: Add missing Barbarian subclass Ancestral Guardian

- Extracted Xanathar's Guide to Everything
- Extracted items from Wayfinder's Guide to Eberron
- Updated Collections

Collections/Complete.xml

@@ -4,7 +4,9 @@
     <doc href="../FightClub5eXML/Sources/CoreRulebooks.xml" />
     
     <!-- Supplements -->
+    <doc href="../FightClub5eXML/Sources/XanatharsGuideToEverything.xml" />
     <doc href="../FightClub5eXML/Sources/GuildmastersGuideToRavnica.xml" />
+    <doc href="../FightClub5eXML/Sources/WayfindersGuideToEberron.xml" />
     <doc href="../FightClub5eXML/Sources/EberronRisingFromTheLastWar.xml" />
     <doc href="../FightClub5eXML/Sources/AcquisitionsIncorporated.xml" />
     <doc href="../FightClub5eXML/Sources/MordenkainensFiendishFolio.xml" />