Consolidate models into a single file

src/models/index.ts

@@ -0,0 +1,17 @@
+export interface Photo {
+  fileName: string;
+  altText: string;
+  rating: number;
+  rd: number;
+  vol: number;
+}
+
+export interface Vote {
+  photos: [string, string];
+  result: 0 | 0.5 | 1;
+}
+
+export interface Database {
+  photos: Photo[];
+  votes: Vote[];
+}

src/models/photo.ts

@@ -1,7 +0,0 @@
-export interface Photo {
-  url: string;
-  rating: number;
-  ratingDeviation: number;
-  volatility: number;
-  altText: string;
-}

src/models/vote.ts

@@ -1,4 +0,0 @@
-export interface Vote {
-  photos: [string, string];
-  result: 0 | 0.5 | 1;
-}