Modifies ExploreTool page to match sprint 4 design (#481)

* initial commit of sprint 4 explore page

* adds styling on HowYouCanHelp module

* troubleshooting li element on deployed URL

removing local bullet styles

* removing unused styles

* recreating HowYouCanHelp

* explicit list el styles

* adds bullets back in

* fixes tooltip style and alert padding

* componentize MapLegend

* fix links

* inital intl and unit tests

* adds trusswork tooltip for comparison

* updates based on various feedback and disucssions:

- removes react-tooltip
- placeholder trussworks tooltip
- removes download packet component
- intl on HowYouCanHelp
- updates MapLegend tests
- add initial cy test on ExploreTool page

* removes bold on alert

* PR feedback:

- removes location from J40Alert
- localizes `COLOR KEY`

* adds intl to constants file

* modifies download zip URL to new S3 location

* removes location depedencies on Alerts

* add localization for HowYouCanHelp

client/src/components/DatasetContainer/index.tsx

@@ -83,7 +83,7 @@ const DatasetContainer = () => {
         <h1 className={styles.datasetContainerHeader}>{intl.formatMessage(messages.cumulativeScore)}</h1>
         <p className={styles.datasetContainerSubTitle}>{intl.formatMessage(messages.subTitle)}</p>
         <div className={styles.datasetCardsContainer}>
-          {cards.map((card, index) => <DatasetCard key={index} datasetCardProps={card}/>)}
+          {cards.map((card) => <DatasetCard key={card.indicator} datasetCardProps={card}/>)}
         </div>
       </div>
     </div>