Resolve "Documentation for redux"

Closes #89 (closed)

client/src/actions/cities.ts

+/*
+This file handles actions for the cities redux state
+*/
+
 import axios from 'axios'
 import { AppDispatch } from './../store'
 import Types from './types'
 
+// Action creator to get all cities from api and send appropriate actions to reducer
 export const getCities = () => async (dispatch: AppDispatch) => {
   await axios
     .get('/api/misc/cities')