updated Readme

README.md

 # simplevuestore
 
-## Project setup
-```
-yarn install
-```
-
-### Compiles and hot-reloads for development
-```
-yarn run serve
-```
-
-### Compiles and minifies for production
-```
-yarn run build
-```
-
-### Run your tests
-```
-yarn run test
-```
-
-### Lints and fixes files
-```
-yarn run lint
-```
-
-### Customize configuration
-See [Configuration Reference](https://cli.vuejs.org/config/).
+Use the Vue store Vuex and then subscribe to changes in the store to provide options to review the history. By stepping forward and backwards in the choices made.