feat: replace IP with tailscale url

shared/src/const.ts

@@ -0,0 +1,3 @@
+export const HOST = process.env.EXPO_PUBLIC_TAILSCALE_MACHINE || "localhost";
+export const BASE_URL = `http://${HOST}`;
+

shared/src/index.ts

@@ -2,3 +2,4 @@ export * from "./queries";
 export * from "./mutators";
 export * from "./zero-schema.gen";
 export * from "./zql";
+export * from "./const";