Extend shared stats interface to weakness and resistance

src/interfaces/resistance.ts

@@ -1,4 +0,0 @@
-export interface Resistance {
-  type: string;
-  value: string;
-}

src/interfaces/stats.ts

@@ -0,0 +1,8 @@
+interface Stats {
+    type: string;
+    value: string;
+}
+
+export interface Resistance extends Stats {}
+
+export interface Weakness extends Stats {}

src/interfaces/weakness.ts

@@ -1,4 +0,0 @@
-export interface Weakness {
-  type: string;
-  value: string;
-}