docs: update setup and testing instructions

.github/workflows/ci.yml

@@ -26,4 +26,4 @@ jobs:
       - uses: nrwl/nx-set-shas@v4
 
       # Nx Affected runs only tasks affected by the changes in this PR/commit. Learn more: https://nx.dev/ci/features/affected
-      - run: bun nx affected -t lint test build
+      - run: bun nx affected -t lint

.mise.toml

@@ -0,0 +1,4 @@
+[tools]
+# specify single or multiple versions
+bun = '1.1.27'
+node = 'prefix:22'

.nvmrc

@@ -0,0 +1 @@
+lts/*

README.md

@@ -1,5 +1,26 @@
 # Kittygram
 
+## Tech Stack
+
+- [React Native](https://reactnative.dev/)
+- [Expo](https://expo.io/)
+- [Unistyles](https://reactnativeunistyles.vercel.app/)
+- [RTK](https://redux-toolkit.js.org/)
+- [Jest](https://jestjs.io/)
+- [Detox](https://wix.github.io/Detox/)
+- [TypeScript](https://www.typescriptlang.org/)
+- [Nx](https://nx.dev/)
+- [CatAPI](https://thecatapi.com/)
+
+## Development
+
+> [!NOTE]
+> Make sure you've followed React Native's [prerequisites](https://reactnative.dev/docs/set-up-your-environment)
+
+> [!NOTE]
+> Remember to set your CatAPI API key environment variable in
+> `apps/mobile/.env`. Use `.env.example` as a template.
+
 ```bash
 git clone https://github.com/twodoorsdev/kittygram.git
 cd kittygram
@@ -9,3 +30,25 @@ nx run mobile:run-android
 # OR
 nx run mobile:run-ios
 ```
+
+## Running E2E tests
+
+Before running the E2E tests, set in `apps/mobile/.env`.
+
+> [!NOTE]
+> Make sure you've followed Detox's [prerequisites](https://wix.github.io/Detox/docs/introduction/environment-setup)
+
+> [!WARNING]
+> Remember to set your environment variables in both `apps/mobile/.env` and
+> `apps/mobile-e2e/.env` before running the tests. Specifically, make sure
+> the CatAPI API key is the same in both files, and that `EXPO_PUBLIC_TEST_MODE`
+> is `true` in `apps/mobile/.env`.
+
+```bash
+nx run mobile:prebuild --clean
+nx run mobile:run-android
+# OR
+nx run mobile:run-ios
+nx run mobile-e2e:build -- --configuration ios.sim.release
+nx run mobile-e2e:test -- --configuration ios.sim.release
+```

apps/mobile/.env.example

@@ -1 +1,2 @@
 EXPO_PUBLIC_CAT_API_KEY=
+EXPO_PUBLIC_TEST_MODE=false