jams-react-client: adjust preview

README.md

jams-react-client/public/locales/en/translation.json

jams-react-client/src/assets/img/CustomUiBg.jpg

...ent/src/components/CustomImgDropZone/CustomImgDropZone.js

...-client/src/components/CustomUiPreview/CustomUiPreview.js

...react-client/src/components/CustomUiPreview/JamiIdCard.js

jams-react-client/src/components/CustomUiPreview/TipBox.js

jams-react-client/src/views/Blueprint/EditBlueprintUiForm.js

jams-react-client/src/views/Blueprint/parsePolicyData.js

jams-react-client/src/views/Blueprints/Blueprints.js