Feat/authentication with firebase

.gitignore

@@ -22,4 +22,6 @@
 /src/react-app-env.d.ts
 .vscode/
 .husky
-/todo
+/todo
+
+.env

README.md

@@ -6,24 +6,24 @@ This project inspired by exercise of 30DaysOfReact
 
 Tech stack:
 
-- React
-- React Router
-- Redux (redux toolkit)
-- Redux-thunk
-- Axios
-- Jest
-- React testing library
-- React hooks testing library
-- Sass
-- typescript
+-   React
+-   React Router
+-   Redux (redux toolkit)
+-   Redux-thunk
+-   Axios
+-   Jest
+-   React testing library
+-   React hooks testing library
+-   Sass
+-   typescript
 
 Development harness
 
-- ESlint
-- Prettier
-- Husky
-- Storybook
-- Github Actions (CI)
+-   ESlint
+-   Prettier
+-   Husky
+-   Storybook
+-   Github Actions (CI)
 
 In the project directory, you can run:
 
@@ -35,3 +35,8 @@ In the project directory, you can run:
 
 Runs the app in the development mode.
 Open [http://localhost:3000](http://localhost:3000) to view it in the browser.
+
+## Firebase
+
+-   run emulator: `firebase emulators:start`
+-   testing with emulator: `firebase.auth().useEmulator("http://localhost:9099/")`