Update copy on site based on living copy document (#697)

* Update copy on site based on living copy document

* Updates copy from living doc v2

- updates shots

* Update styling to sidepanel

- make indicator heading white
- change bg color of add'nl indicators 'FAFAFA'

* Separate dataset cards sections by style

- abstract out additional cards color to utils
- create a baseCard mixin
- add datasetCardAdditional style block
- add additionalIndicator prop to DatasetCard
- lower abstaction of GridContainer from methodology to DatasetContainer
- updates snapshot

* Swap resolution and source in dataset cards

- update snapshots

* Update SVGs on About page

- re-center the SVGs to content vertically

client/src/pages/methodology.tsx

@@ -59,11 +59,7 @@ const IndexPage = ({location}: MethodPageProps) => {
         </Grid>
       </J40MainGridContainer>
 
-      <J40MainGridContainer fullWidth={true} blueBackground={true}>
-        <J40MainGridContainer>
-          <DatasetContainer/>
-        </J40MainGridContainer>
-      </J40MainGridContainer>
+      <DatasetContainer/>
 
       <J40MainGridContainer>
         <Grid row>