Create Smartling template for snippets

[gueroJeff]

Create a standard template for translating snippet content through Smartling. Template must be a .csv file with the appropriate Smartling directives. Template must be discoverable to marketing teams.

The following specifications must be met for a snippet content template:

[peiying2]

Templates and examples for Snippets request:

• [x] Instruction and process for requester and copy preparer.
• [x] Email copy template with directives in spreadsheet
• [x] Export of the template in .csv
• [x] Example of localized file downloaded from Smartling
• [x] Example of localized file delivered to customer.

[peiying2]

@gueroJeff please review when you get a chance.