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/components/DownloadPacket/index.tsx

@@ -13,13 +13,13 @@ const DownloadPacket = () => {
   const messages = defineMessages({
     downloadPacketHeader: {
       id: 'downloadPacket.header.text',
-      defaultMessage: 'Draft communities list (pre-decisional, 137MB)',
+      defaultMessage: `Draft communities list (${constants.DOWNLOAD_FILE_SIZE})`,
       description: 'download packet header text',
     },
     downloadPacketInfo: {
       id: 'downloadPacket.info.text',
-      defaultMessage: 'The package includes the draft list of prioritized communities (.csv and .xlsx).'+
-      ' This information should not be used to make program resource allocation decisions.',
+      defaultMessage: 'The package includes the draft list of prioritized communities (.csv and .xlsx) '+
+      ` and information about how to use the list (.pdf). Last updated: ${constants.DOWNLOAD_LAST_UPDATED} `,
       description: 'download packet info text',
     },
     downloadPacketButtonText: {