Add contents

Author: lulunac27a

README.md

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 # Vue gamification todo list app with Vuex, SCSS and TypeScript
 
-This application is a todo list with task repetition with level and experience points and it stores to local storage using `vuex-persistedstate`
+This application is a todo list with task repetition with level and experience points and it stores to local storage using `vuex-persistedstate`.
+
+## Contents
+
+`src`: Source for Vue, SCSS and TypeScript files.
+`src/components`: Vue components to render as HTML with SCSS style.
+`src/store`: Vuex store and store options.
+
 
 
 ## Setup the application