chore: improve index.html metadata and page title

[abhijitbehera710]

Changes

• Improved meta description
• Updated page title formatting
• Standardized apple mobile app title

Screenshots / Recordings

N/A

Checklist:

• No hard coding: I have used values from constants.dart or localization files instead of hard-coded values.
• No end of file edits: No modifications done at end of resource files.
• Code reformatting: I have formatted the code using dart format or the IDE formatter.
• Code analysis: My code passes checks run in flutter analyze and tests run in flutter test.

Summary by Sourcery

Improve web app metadata and titles for the PSLab web interface.

Enhancements:

• Refine web manifest metadata including app name, description, start URL, scope, and language.
• Update HTML meta description, page title, and Apple mobile web app title to use descriptive, properly formatted PSLab branding.

[sourcery-ai]

Reviewer's guide (collapsed on small PRs)

Reviewer's Guide

Updates web app metadata to use proper PSLab branding, more descriptive text, and correct PWA configuration for manifest and HTML head tags.

File-Level Changes

Change	Details	Files
Improve PWA manifest branding and configuration.	Capitalize app name and short_name to PSLab to match branding. Change start_url to root path and add matching scope for proper PWA routing. Replace generic description with a specific PSLab-focused description. Add lang attribute set to en for better localization and metadata support. Normalize JSON formatting while preserving structure and icons.	web/manifest.json
Update HTML metadata and page title to reflect PSLab branding.	Update meta description content to a PSLab-specific description of the web interface. Standardize apple-mobile-web-app-title to PSLab with correct casing. Change document <title> to PSLab - Pocket Science Lab for clearer branding and SEO. Keep existing favicon and manifest links unchanged while adjusting only relevant head tags.	web/index.html

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[sourcery-ai]

Hey - I've found 1 issue, and left some high level feedback:

• Consider updating the <html> tag to include a matching lang="en" attribute so the document language is consistent with the manifest and better recognized by browsers and assistive technologies.
• Changing start_url and scope from . to / assumes the app is always hosted at the domain root; if you plan to host it under a subpath, you may want to keep or adjust these values accordingly.
• Ensure the meta description in index.html and the description in manifest.json are intentionally aligned in tone and content so search engines and PWA install surfaces present a consistent message.

Prompt for AI Agents

Please address the comments from this code review:

## Overall Comments
- Consider updating the `<html>` tag to include a matching `lang="en"` attribute so the document language is consistent with the manifest and better recognized by browsers and assistive technologies.
- Changing `start_url` and `scope` from `.` to `/` assumes the app is always hosted at the domain root; if you plan to host it under a subpath, you may want to keep or adjust these values accordingly.
- Ensure the meta description in `index.html` and the `description` in `manifest.json` are intentionally aligned in tone and content so search engines and PWA install surfaces present a consistent message.

## Individual Comments

### Comment 1
<location path="web/manifest.json" line_range="4-5" />
<code_context>
-    "start_url": ".",
+    "name": "PSLab",
+    "short_name": "PSLab",
+    "start_url": "/",
+    "scope": "/",
     "display": "standalone",
     "background_color": "#0175C2",
</code_context>
<issue_to_address>
**issue (bug_risk):** Using root-relative start_url/scope may break installs when the app is served from a subpath.

Because both `start_url` and `scope` are set to `/`, the PWA will be tied to the domain root. If the app is deployed under a subpath (e.g. `/pslab/` or via a reverse-proxy prefix), install and navigation can break. Prefer a relative `start_url` like `"./"` and set `scope` to match the deployment path, or make these configurable per environment.
</issue_to_address>

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[github-actions]

Build Status

Build successful. APKs to test: https://github.com/fossasia/pslab-app/actions/runs/22568590135/artifacts/5718021465.

Screenshots

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