Add/Update guidance and implement visual changes in the DREF Import template

[udaynwa]

Check and implement the revised version of the import template with additional guidance and some visual changes. The file has been attached below:

20241022_DREF import_v2_KJM.xlsx

TODO (in order of priority

• Additional guidance provided to the questions
• Additional visual changes
• Landing page/sheet

[udaynwa]

@marcovvu1 , @anamariaescobar , @tovari , the guidance updates, and visual changes have been implemented to the DREF Import template. Please review this latest import template file. Link: DREF_Application_Response_import_template_29_10_2024._16_42_36.xlsx

There were some inconsistencies in the import template which was shared with us. We have listed them in the Questions section of this PR. Link: #1434