Add EDOT Browser documentation

[alexandra5000]

Closes #1157

[github-actions]

Vale Linting Results

Summary: 2 suggestions found

💡 Suggestions (2)

File	Line	Rule	Message
docs/reference/edot-browser/setup.md	84	Elastic.WordChoice	Consider using 'refer to (if it's a document), view (if it's a UI element)' instead of 'see', unless the term is in the UI.
docs/reference/edot-browser/setup.md	146	Elastic.WordChoice	Consider using 'refer to (if it's a document), view (if it's a UI element)' instead of 'see', unless the term is in the UI.

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[github-actions]

🔍 Preview links for changed docs

• docs/reference/edot-browser/configuration.md
• docs/reference/edot-browser/index.md
• docs/reference/edot-browser/setup.md
• docs/reference/edot-browser/supported-technologies.md
• docs/reference/edot-browser/telemetry.md