Transformations changes (#27716)

* Chunking out the long Transformation topic. Also, updated TOC. Local build looks fine.

* More changes.

* More re-arranging of content. Fixed links in Types and Options page.

* Capitalization changes.

* Changes to Overview section.

* Fixed merge conflicts.

* Fixed typo to fix build failure.

* Update docs/sources/panels/transformations/types-options.md

Co-authored-by: Diana Payton <52059945+oddlittlebird@users.noreply.github.com>

* Changes from Diana.

* Fixed a typo in a relref.

* Fixed broken link.

* Update link in Troubleshooting topic.

* Added changes.

* Fixed a bunch of broken links.

Co-authored-by: Diana Payton <52059945+oddlittlebird@users.noreply.github.com>

docs/sources/manage-users/_index.md

@@ -9,7 +9,7 @@ weight = 3
 
 # Manage users
 
-Create users and teams and configure [Permissions]({{< relref "../permissions/overview.md" >}}) to make sure that users only have access to the resources they need.
+Create users and teams and configure [Permissions Overview]({{< relref "../permissions/overview.md" >}}) to make sure that users only have access to the resources they need.
 
 Only Administrators can manage users and teams.
 

docs/sources/panels/transformations/apply-transformations.md

@@ -31,7 +31,8 @@ To apply a transformation:
 
 To remove a transformation that is no longer needed, click the trash can icon.
 
-## Debug transformations 
+## Debug transformations
+
 To see the input and the output result sets of the transformation, click the bug icon on the right side of the transformation row
 Grafana displays the transformation debug view below the transformation row.
 {{< docs-imagebox img="/img/docs/transformations/debug-transformations-7-0.png" class="docs-image--no-shadow" max-width= "1100px" >}}

docs/sources/panels/transformations/types-options.md

 +++
-title = "Transformation Types and Options"
+title = "Transformation types and options"
 type = "docs"
 [menu.docs]
 identifier = "transformation_types_and_options"
@@ -161,7 +161,7 @@ Example: Given a query result of two time series
 1: labels Server=Server A, Datacenter=EU
 2: labels Server=Server B, Datacenter=EU
 
-This would result in a table like this
+This would result in a table like this:
 
 | Time                | Server   | Datacenter | Value |
 | ------------------- | -------- | ---------- | ----- |
@@ -169,7 +169,8 @@ This would result in a table like this
 | 2020-07-07 11:34:20 | Server B | EU         | 2     |
 
 **Value field name**
-If you selected Server as in the **Value field name**, then you would get one field for every value of the Server label.
+
+If you selected Server as the **Value field name**, then you would get one field for every value of the Server label.
 
 | Time                | Datacenter | Server A | Server B |
 | ------------------- | ---------- | -------- | -------- |

docs/sources/panels/visualizations/bar-gauge-panel.md

@@ -19,7 +19,7 @@ This panel can show one or more bar gauges depending on how many series, rows, o
 
 Bar gauge visualizations allow you to apply:
 
-- [Data transformations]({{< relref "../transformations/prereq.md" >}})
+- [Data transformations]({{< relref "../transformations/_index.md" >}})
 - [Field options and overrides]({{< relref "../field-options.md" >}})
 - [Thresholds]({{< relref "../thresholds.md" >}})
 

docs/sources/panels/visualizations/gauge-panel.md

@@ -17,7 +17,7 @@ Gauge is a single value panel that can repeat a gauge for every series, column o
 
 Gauge visualizations allow you to apply:
 
-- [Data transformations]({{< relref "../transformations/prereq.md" >}})
+- [Data transformations]({{< relref "../transformations/_index.md" >}})
 - [Field options and overrides]({{< relref "../field-options.md" >}})
 - [Thresholds]({{< relref "../thresholds.md" >}})
 

docs/sources/panels/visualizations/graph-panel.md

@@ -15,7 +15,8 @@ This visualization is the most-used in the Grafana ecosystem. It can render as a
 ## Data and field options
 
 Graph visualizations allow you to apply:
-- [Data transformations]({{< relref "../transformations/prereq.md" >}})
+
+- [Data transformations]({{< relref "../transformations/_index.md" >}})
 - [Alerts]({{< relref "../../alerting/alerts-overview.md" >}}) - This is the only type of visualization that allows you to set alerts.
 - [Thresholds]({{< relref "../thresholds.md" >}})
 

docs/sources/panels/visualizations/stat-panel.md

@@ -19,7 +19,7 @@ The Stat panel shows a one large stat value with an optional graph sparkline. Yo
 
 Stat visualizations allow you to apply:
 
-- [Data transformations]({{< relref "../transformations/prereq.md" >}})
+- [Data transformations]({{< relref "../transformations/_index.md" >}})
 - [Field options and overrides]({{< relref "../field-options.md" >}})
 - [Thresholds]({{< relref "../thresholds.md" >}})
 

docs/sources/panels/visualizations/table-panel.md

@@ -21,7 +21,7 @@ The table panel is very flexible, supporting multiple modes for time series and
 
 Table visualizations allow you to apply:
 
-- [Data transformations]({{< relref "../transformations/prereq.md" >}})
+- [Data transformations]({{< relref "../transformations/_index.md" >}})
 - [Field options and overrides]({{< relref "../field-options.md" >}})
 - [Thresholds]({{< relref "../thresholds.md" >}})