Create app-specific routes for alerts

[joao-vasconcelos]

Please ensure the following before merging:

• [x] Is the branch name the Linear issue code?
• [x] Did you successfully run a local npm run build?

Description

Created additional routes for each app to display alert details. Routes are /app-ios/alerts/{alert_id} and /app-android/alerts/{alert_id}.

[linear[bot]]

ISO-189 Create app-specific routes for alerts