docs: move misplaced Configure legend page (#67597)

* move configure legend page and add alias

* updated page weight and tried fixing alias

* fixed alias

* add preemptive alias for current page location

* apply suggestion from review

Co-authored-by: Jack Baldry <jack.baldry@grafana.com>

* apply suggestions from review

Co-authored-by: Jack Baldry <jack.baldry@grafana.com>

* apply suggestions from review

Co-authored-by: Jack Baldry <jack.baldry@grafana.com>

---------

Co-authored-by: Jack Baldry <jack.baldry@grafana.com>

docs/sources/panels-visualizations/configure-legend/index.md

@@ -1,9 +1,9 @@
 ---
 aliases:
-  - ../../panels/working-with-panels/configure-legend/
+  - ../panels/working-with-panels/configure-legend/
-  - ../../visualizations/configure-legend/
+  - visualizations/configure-legend/
 title: Configure a legend
-weight: 1300
+weight: 400
 ---
 
 # Configure a legend