Add Spanish to site (#1541)

* Add script to un-nest the translated es.json file

* Update unit tests

* Update i18n IDs to conformity

* Update READMEs

* Make ordinal values in sidepanel i18n compliant

* remove redudant IDs in en.json

* Add oridinal i18n to IndicatorValue sub-text

* Update plurals in sidepanel

- Disadvantaged in 1 category
- Disadvantaged in 5 categories
- At or above 1 threshold
- At or above 10 thresholds

* Add en.json link to GHA

* Enable FormatJS linter rules to catch i18n issues

* Testing if commit hash will render in PR message

* Testing if commit hash will render in PR message

* Enable allow repeats

* Try to add run command

* remove attempts to link to en.json

* Define COMMIT HASH env variable

* Move commit hash to deploy job

client/.eslintrc.js

@@ -25,6 +25,9 @@ module.exports = {
   'rules': {
     'max-len': [2, {'code': 120, 'tabWidth': 4, 'ignoreUrls': true}],
     'formatjs/no-offset': 'error',
+    'formatjs/enforce-description': 'error',
+    'formatjs/enforce-default-message': 'error',
+    'formatjs/enforce-placeholders': 'error',
   },
   'settings': {
     'react': {