Dashboard: Add configurable quick ranges for the time picker (#102254)

* Dashboard: Add configurable quick ranges for the time picker

* fix test and linter errors

* update from array to TimeOption

* Switching to grafana-scenes (Part 1 - remove grafana-ui changes

* Update SceneTimePicker initialization

* betterer

* remove hallucinated argument

* Revert "Bump scenes and fix types (#105167)"

This reverts commit c6428dfc74.

* make gen-go

* reset files

* Shorten documentation to increase maintainability

* Update _index.md

* the

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Co-authored-by: joshhunt <josh.hunt@grafana.com>
Co-authored-by: Jacob Valdez <jacob.valdez@grafana.com>

conf/sample.ini

@@ -1924,6 +1924,11 @@ default_datasource_uid =
 # Default timezone for user preferences. Options are 'browser' for the browser local timezone or a timezone name from IANA Time Zone database, e.g. 'UTC' or 'Europe/Amsterdam' etc.
 ;default_timezone = browser
 
+[time_picker]
+# Custom quick ranges for the time picker. Each quick range has a display name, a from value, and a to value.
+# Format: [{"from":"now-5m","to":"now","display":"Last 5 minutes"},{"from":"now-15m","to":"now","display":"Last 15 minutes"}]
+;quick_ranges =
+
 [expressions]
 # Enable or disable the expressions functionality.
 ;enabled = true