feat : add lichess cloud eval

src/types/lichess.ts

@@ -0,0 +1,18 @@
+export interface LichessErrorBody {
+  error: string | LichessError;
+}
+
+export interface LichessEvalBody {
+  depth: number;
+  pvs: {
+    moves: string;
+    cp?: number;
+    mate?: number;
+  }[];
+}
+
+export type LichessResponse<T> = T | LichessErrorBody;
+
+export enum LichessError {
+  NotFound = "Not found",
+}