Improve clarity and formatting in introduction documentation

[AbhayXplorer]

• Please check if the PR fulfills these requirements

• The commit message follows our guidelines
• Tests for the changes have been added (not required for documentation updates)
• Docs have been added / updated

• What kind of change does this PR introduce? (Bug fix, feature, docs update, ...)

• Bug fix
• Feature implementation
• Doc updates

• Related Issue
  N/A

• What changes have you introduced?
  This PR improves grammar, clarity, and formatting in the introduction
  documentation without changing the technical content.

• Does this PR introduce a breaking change?
  No, this change does not introduce any breaking changes.

• Preview / Steps to verify your work

1. Open the introduction.md file.
2. Review the updated text for improved clarity and formatting.
3. Confirm that the documentation content and meaning remain unchanged.

Summary by Sourcery

Improve wording and formatting in the PSLab introduction documentation to enhance readability without changing technical meaning.

Documentation:

• Refine sentences in the introduction to clarify PSLab usage and associated applications.
• Improve grammar and hyphenation in feature descriptions, including the power supply capabilities and built-in tools.

[sourcery-ai]

Reviewer's guide (collapsed on small PRs)

Reviewer's Guide

Refines the introduction documentation for PSLab by improving grammar, clarity, and formatting while preserving the original technical meaning and content.

File-Level Changes

Change	Details	Files
Improve clarity and grammar in the introductory description of PSLab and its documentation.	Rephrased the opening sentence to more clearly describe getting started with PSLab hardware and applications Clarified that PSLab is a device that allows exploration using sensors by replacing informal wording	introduction.md
Refine wording and hyphenation in the feature overview section for PSLab.	Adjusted the phrasing of the 'Out of the box' sentence for better readability and punctuation Standardized hyphenation such as 'built-in' and 'low-voltage' in the feature list Expanded numeric shorthand (e.g., '3' to 'three') and improved spacing and dash usage in the power supply bullet	introduction.md

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[sourcery-ai]

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

• In the updated bullet for the power supply, consider using a consistent dash style for voltage ranges (either hyphen or en dash) to match the rest of the document’s conventions.
• You switched from numeric to word form for the number of programmable voltage sources (“3” to “three”); it may be worth aligning this with the project’s general style for numeric values in technical lists.

Prompt for AI Agents

Please address the comments from this code review:

## Overall Comments
- In the updated bullet for the power supply, consider using a consistent dash style for voltage ranges (either hyphen or en dash) to match the rest of the document’s conventions.
- You switched from numeric to word form for the number of programmable voltage sources (“3” to “three”); it may be worth aligning this with the project’s general style for numeric values in technical lists.

## Individual Comments

### Comment 1
<location> `introduction.md:33` </location>
<code_context>

-- Desktop low voltage power supply with 3 programmable voltage sources (+/-3.3 V,+/-5V,0-3 V)
+- Desktop low-voltage power supply with three programmable voltage sources (+/-3.3 V, +/-5 V, 0–3 V)
 - 3 channel[^1] oscilloscope with software selectable amplification stages
 - Multimeter functions including voltmeter and capacitance measurement
 - Digital and analog function generators
</code_context>

<issue_to_address>
**nitpick (typo):** Consider hyphenating "3 channel" as a compound adjective.

This matches standard compound-adjective usage before a noun.

```suggestion
- 3-channel[^1] oscilloscope with software selectable amplification stages
```
</issue_to_address>

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