feat: Add Mythical Island set (#624)

* feat: Add A1a

Signed-off-by: Avior <git@avior.me>

* fix: test failing

Signed-off-by: Avior <git@avior.me>

---------

Signed-off-by: Avior <git@avior.me>

data/Pokémon TCG Pocket/Mythical Island/004.ts

@@ -0,0 +1,40 @@
+import { Card } from "../../../interfaces"
+import Set from "../Mythical Island"
+
+const card: Card = {
+	set: Set,
+
+	name: {
+		en: "Snivy"
+	},
+
+	illustrator: "Kagemaru Himeno",
+	category: "Pokemon",
+	hp: 70,
+	types: ["Grass"],
+
+	description: {
+		en: "Being exposed to sunlight makes its movements<br />swifter. It uses vines more adeptly than its hands."
+	},
+
+	stage: "Basic",
+
+	attacks: [{
+		name: {
+			en: "Vine Whip"
+		},
+
+		damage: 40,
+		cost: ["Grass", "Colorless"]
+	}],
+
+	weaknesses: [{
+		type: "Fire",
+		value: "+20"
+	}],
+
+	retreat: 1,
+	rarity: "One Diamond"
+}
+
+export default card