Chang etext on intro (#5160)

# Description of Changes

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- Why the change was made
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## Checklist

### General

- [ ] I have read the [Contribution
Guidelines](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/CONTRIBUTING.md)
- [ ] I have read the [Stirling-PDF Developer
Guide](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/devGuide/DeveloperGuide.md)
(if applicable)
- [ ] I have read the [How to add new languages to
Stirling-PDF](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/devGuide/HowToAddNewLanguage.md)
(if applicable)
- [ ] I have performed a self-review of my own code
- [ ] My changes generate no new warnings

### Documentation

- [ ] I have updated relevant docs on [Stirling-PDF's doc
repo](https://github.com/Stirling-Tools/Stirling-Tools.github.io/blob/main/docs/)
(if functionality has heavily changed)
- [ ] I have read the section [Add New Translation
Tags](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/devGuide/HowToAddNewLanguage.md#add-new-translation-tags)
(for new translation tags only)

### UI Changes (if applicable)

- [ ] Screenshots or videos demonstrating the UI changes are attached
(e.g., as comments or direct attachments in the PR)

### Testing (if applicable)

- [ ] I have tested my changes locally. Refer to the [Testing
Guide](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/devGuide/DeveloperGuide.md#6-testing)
for more details.

frontend/public/locales/sr-LATN-RS/translation.toml

@@ -1225,7 +1225,7 @@ odtExt = "OpenDocument tekst (.odt)"
 pptExt = "PowerPoint (.pptx)"
 odpExt = "OpenDocument prezentacija (.odp)"
 txtExt = "Običan tekst (.txt)"
-rtfExt = "Rich Text Format (.rtf)"
+rtfExt = "Format obogaćenog teksta (.rtf)"
 selectedFiles = "Izabrane datoteke"
 noFileSelected = "Nije izabrana nijedna datoteka. Koristite panel datoteka da dodate datoteke."
 convertFiles = "Konvertuj datoteke"
@@ -5177,7 +5177,7 @@ upgrade = "Nadogradite sada →"
 freeTitle = "Serverska licenca"
 overLimitTitle = "Potrebna serverska licenca"
 overLimitBody = "Naše licenciranje dozvoljava do <strong>{{freeTierLimit}}</strong> korisnika besplatno po serveru. Imate <strong>{{overLimitUserCopy}}</strong> Stirling korisnika. Da nastavite bez prekida, pređite na Stirling Server plan - <strong>neograničena mesta</strong>, uređivanje PDF teksta i puna admin kontrola za $99/server/mes."
-freeBody = "Naše <strong>Open-Core</strong> licenciranje dozvoljava do <strong>{{freeTierLimit}}</strong> korisnika besplatno po serveru. Da se bez prekida skalirate i dobijete rani pristup našem novom <strong>alatu za uređivanje PDF teksta</strong>, preporučujemo Stirling Server plan - puno uređivanje i <strong>neograničena mesta</strong> za $99/server/mes."
+freeBody = "Naše licenciranje <strong>Open-Core</strong> dozvoljava do <strong>{{freeTierLimit}}</strong> korisnika besplatno po serveru. Za neometano skaliranje, preporučujemo plan Stirling Server - <strong>neograničena mesta</strong> i <strong>SSO podrška</strong> za $99/server/mo."
 
 [onboarding.desktopInstall]
 title = "Preuzmi"