fix(ui): improve About Us layout and adjust description styling

[bhavjsh]

Summary

This PR improves the layout of the About Us screen to enhance readability and match the design feedback.

Changes

• Updated the layout so that only the PSLab description text is wrapped inside a bordered container.
• Changed the container background to white with a subtle border outline.
• Adjusted alignment so that the rest of the screen elements follow a normal vertical layout instead of being centered.
• Replaced "and" with "&" in the PSLab description text to reduce spacing in the phrase "science & engineering experiments".

Files Modified

• lib/view/about_us_screen.dart
• lib/l10n/app_en.arb

Result

The About Us page now has a cleaner layout with improved text alignment and spacing.

Summary by Sourcery

Refine the About Us screen layout and styling for improved readability and alignment.

Enhancements:

• Adjust About Us content layout to use a scrollable, left-aligned vertical column with padding instead of a centered layout.
• Wrap the PSLab description text in a full-width, bordered white container with improved typography and spacing.
• Standardize list item padding and icon spacing for feedback, version info, and contact links, and introduce a reusable section title for the Connect With Us section.

[sourcery-ai]

Reviewer's Guide

Refactors the About Us screen layout to use a left-aligned scrollable column with a bordered description card, tighter and consistent list tile styling, and prepares localization for a minor text tweak in the PSLab description.

Class diagram for the updated AboutUsScreen structure

classDiagram
  class AboutUsScreen {
    +AboutUsScreen()
    +createState() _AboutUsScreenState
  }

  class _AboutUsScreenState {
    -String iconAboutUs
    -List contactItems
    +buildSectionTitle(String title) Widget
    +build(BuildContext context) Widget
  }

  class GlobalFunctions {
    +buildContactList(List items) Widget
  }

  AboutUsScreen --> _AboutUsScreenState : creates
  _AboutUsScreenState --> GlobalFunctions : uses_buildContactList

Loading

File-Level Changes

Change	Details	Files
Reworked About Us screen layout to be vertically scrollable, left-aligned, and to visually separate the description in a card-like container.	Removed the full-screen centered layout and replaced it with a SafeArea-wrapped SingleChildScrollView and a Column aligned to the start with uniform page padding. Reduced the logo size and kept it centered at the top, followed by the description in a full-width container. Wrapped the PSLab description text in a white, rounded-rectangle container with padding, light grey border, left alignment, and increased line height for readability.	lib/view/about_us_screen.dart
Normalized styling and layout of list sections for feedback, app version, and contact links.	Introduced a helper method to render section titles with consistent typography and spacing for the "Connect with us" area. Replaced the nested ListView-based section with a linear list of ListTiles separated by Dividers to avoid nested scrolling and match vertical layout expectations. Standardized ListTile paddings and leading icon widths (including contact list tiles) using contentPadding: EdgeInsets.zero and minLeadingWidth to visually align icons and text. Kept the PackageInfo FutureBuilder but simplified the builder’s structure while preserving loading and loaded states. Inserted section title and divider before the contact list to visually group the connect section.	lib/view/about_us_screen.dart
Minor structural and formatting cleanups plus groundwork for text change in localization.	Added trailing commas in the contactItems list map entries for consistent formatting and easier diffing. Inserted a small helper for section titles and added spacing/dividers between logical groups for clearer structure. Left the English ARB file ready for a text tweak to the PSLab description (e.g., "science & engineering experiments"), though no concrete string diff is shown here.	lib/view/about_us_screen.dart lib/l10n/app_en.arb

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[sourcery-ai]

Hey - I've left some high level feedback:

• The hardcoded 'Loading...' string in the version FutureBuilder bypasses localization; consider exposing a localized loading string via AppLocalizations instead.
• The container around pslabDescription uses Colors.white and a fixed grey border, which may not adapt well to dark themes; it would be more robust to derive these from Theme.of(context).colorScheme.

Prompt for AI Agents

Please address the comments from this code review:

## Overall Comments
- The hardcoded 'Loading...' string in the version `FutureBuilder` bypasses localization; consider exposing a localized loading string via `AppLocalizations` instead.
- The container around `pslabDescription` uses `Colors.white` and a fixed grey border, which may not adapt well to dark themes; it would be more robust to derive these from `Theme.of(context).colorScheme`.

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[github-actions]

Build Status

Build successful. APKs to test: https://github.com/fossasia/pslab-app/actions/runs/23088348450/artifacts/5924454449.

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