Update index.html (#74)

Match the `beacon-apis` config to see if this fixes the failure to load the API config

Author: ralexstokes

index.html

@@ -48,10 +48,10 @@
       // Begin Swagger UI call region
       const ui = SwaggerUIBundle({
         urls: [
-          { url: "https://github.com/ethereum/builder-specs/releases/download/v0.3.0/builder-oapi.yaml", name: "v0.3.0" },
-          { url: "https://github.com/ethereum/builder-specs/releases/download/v0.2.0/builder-oapi.yaml", name: "v0.2.0" },
-          { url: "https://github.com/ethereum/builder-specs/releases/download/v0.1.0/builder-oapi.yaml", name: "v0.1.0" },
-          { url: "https://github.com/ethereum/builder-specs/releases/download/v0.0.0/builder-oapi.yaml", name: "v0.0.0" },
+          { url: "./releases/v0.3.0/builder-oapi.yaml", name: "v0.3.0" },
+          { url: "./releases/v0.2.0/builder-oapi.yaml", name: "v0.2.0" },
+          { url: "./releases/v0.1.0/builder-oapi.yaml", name: "v0.1.0" },
+          { url: "./releases/v0.0.0/builder-oapi.yaml", name: "v0.0.0" },
           { url: "./builder-oapi.yaml", name: "dev" }
         ],
         basePath: "/",