Add D&D spells extractor skeleton

internal/modules/extract/dnd/spells/model.go

@@ -0,0 +1,22 @@
+package spells
+
+import "gitea.maximumdirect.net/eric/notarius/internal/core/source"
+
+type SpellCast struct {
+	Caster               string `json:"caster"`
+	Spell                string `json:"spell"`
+	Effect               string `json:"effect"`
+	NarrativeDescription string `json:"narrative_description"`
+}
+
+type extractionResponse struct {
+	SpellCasts []spellCastResponse `json:"spell_casts"`
+}
+
+type spellCastResponse struct {
+	Caster               string             `json:"caster"`
+	Spell                string             `json:"spell"`
+	Effect               string             `json:"effect"`
+	NarrativeDescription string             `json:"narrative_description"`
+	SourceRefs           []source.SourceRef `json:"source_refs"`
+}