chore: add openapi-ts and hey-api/client-fetch (#47)

* chore: add openapi-ts and hey-api/client-fetch

* chore: replace interfaces

Author: peppescg

openapi-ts.config.ts

@@ -0,0 +1,18 @@
+import { defineConfig } from "@hey-api/openapi-ts";
+
+export default defineConfig({
+  client: "@hey-api/client-fetch",
+  input: "src/api/openapi.json",
+  output: {
+    format: "prettier",
+    path: "./src/api/generated",
+    lint: "eslint",
+  },
+  plugins: [
+    "@hey-api/sdk",
+    {
+      enums: "typescript",
+      name: "@hey-api/typescript",
+    },
+  ],
+});