create login, register and home with changing header

 b00tc4mp#101

staff/lucas-orts/project/app/index.css

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+@tailwind base;
+@tailwind components;
+@tailwind utilities;

staff/lucas-orts/project/app/logic/index.js

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+import registerUser from './registerUser.js'
+import loginUser from './loginUser.js'
+import getUserName from './getUserName.js'
+import isUserLoggedIn from './isUserLoggedIn.js'
+import logoutUser from './logoutUser.js'
+
+const logic = {
+    registerUser,
+    loginUser,
+    getUserName,
+    isUserLoggedIn,
+    logoutUser
+}
+
+export default logic

staff/lucas-orts/project/app/logic/logoutUser.js

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+export default () => delete sessionStorage.token