No change in value guide (DataDog#9944)

* init commit

* updated link

* added FAQ guide to guide list; readded back to FAQ section to avoid reorging all content

* updated url, added aliases, changed to guide

* Apply suggestions from code review

* Apply suggestions from code review

Merge pull request DataDog#10050 from DataDog/andrew.ardito/cleanup

minor cleanup updates to apm docs

Merge pull request DataDog#10041 from DataDog/kari/dotnet-fr-links

Reorder Further Reading links on .NET setup pages

Merge pull request DataDog#10044 from DataDog/jay.dave/updating_runti…

…me_metrics_compatibility

Update dotnet.md

Merge pull request DataDog#10049 from DataDog/jay.dave/adding_runtime…

…_metrics_to_setup_aspnetcoreDocs

Update dotnet-core.md

Merge pull request DataDog#10043 from DataDog/Kristinbarr-typo-fix-ge…

…nerate-metrics

Typo fix in 'generate metrics from logs'

Merge pull request DataDog#10036 from DataDog/datadog-api-spec/genera…

…ted/870

Add legend_layout and legend_columns to timeseries widget definition [VIZZ-1211]

Merge pull request DataDog#10030 from DataDog/ahmed/ad-exclude-note

Add note about excluding every container in AD

Merge pull request DataDog#10038 from DataDog/ruth/docs-lint-api

Lint headings for API

Merge pull request DataDog#9397 from DataDog/kevin/dotnetruntimemetrics

Add documentation for .NET runtime metrics