Improve `brave://version` content readability

[goodov]

Description

During development we use brave://version a lot, but it's hard to differentiate where which part starts or ends with a quick glance.

Steps to reproduce

1. Open brave://version

Actual result

The content looks like a single paragraph of text.

Expected result

The content should be separated to make it easier to find required info.

Reproduces how often

Easily reproduced

Desktop Brave version (brave://version info)

1.70.30 Chromium: 127.0.6533.73 (Official Build) nightly (64-bit)

Android device

• Brand/model: Generic
• Android version: 1.70.30 Chromium: 127.0.6533.73 (Official Build) nightly (64-bit)

Channel information

• [X] release (stable)
• [X] beta
• [X] nightly

Reproducibility

• [ ] with Brave Shields disabled
• [ ] with Brave Rewards disabled
• [ ] in the latest version of Chrome

Miscellaneous information

No response