Docs: Restructure tables in docs page for improved readability

[kayayarai]

Motivation

This page is pulled into the official Datadog public docs (here: https://docs.datadoghq.com/real_user_monitoring/browser/). The docs team is restructuring some Markdown tables into Description Lists so that they are more readable on the docs site. These changes don't look that impressive here on the rendered github page, but they look a LOT better on the docs site.

Changes

Converts tables that had hard-to-read columns or were overrunning docs site margins, into Description Lists so that they're more readable.

Testing

On this docs page on staging:
https://docs-staging.datadoghq.com/kari/test-remote-updates/real_user_monitoring/browser/
See the new tables under:

• Choose the right installation method
• Initialization parameters

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I have gone over the contributing documentation.

[bits-bot]

All committers have signed the CLA.

[codecov-commenter]

Codecov Report

Merging #835 (1485000) into main (b59268d) will increase coverage by 0.17%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##             main     #835      +/-   ##
==========================================
+ Coverage   86.66%   86.84%   +0.17%     
==========================================
  Files          82       82              
  Lines        3914     3914              
  Branches      884      884              
==========================================
+ Hits         3392     3399       +7     
+ Misses        522      515       -7     

Impacted Files	Coverage Δ
...ckages/core/src/domain/automaticErrorCollection.ts	100.00% <0.00%> (+1.72%)	⬆️
packages/rum-core/src/domain/parentContexts.ts	100.00% <0.00%> (+1.75%)	⬆️
...omain/rumEventsCollection/error/errorCollection.ts	100.00% <0.00%> (+5.00%)	⬆️
packages/rum-core/src/transport/batch.ts	74.28% <0.00%> (+11.42%)	⬆️

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