LG-12795: Update text for How to add images pages - DO NOT MERGE UNTIL APPROVAL

[night-jellyfish]

🛑 -- DO NOT MERGE until 5/9 -- 🛑

🎫 Ticket

LG-12795

🛠 Summary of changes

Updates the text and translations according to the linked ticket.

📜 Testing Plan

Compare the text in the translations to the text on the pages for:

• [ ] English (link to current page ("before" in the screenshots))
• [ ] Spanish (link to current page ("before" in the screenshots))
• [ ] French (link to current page ("before" in the screenshots))

📸 Screenshots

Before	After

[dawei-nava]

En	Es	Fr

@kellular , please review changes.

Also there seems some inconsistence for the ending "." in lists.

[daviddsilvanava]

@dawei-nava we can add periods to the ends of bullets to be consistent. After that, everything looks good! @kellular fysa

[dawei-nava]

@dawei-nava we can add periods to the ends of bullets to be consistent. After that, everything looks good! @kellular fysa

Done

[daviddsilvanava]

Ok, great! Can you change the title of this PR by chance? The original 5/9 date doesn't apply any more -- we need to hold until we get a green light for biometrics.