MySQL documentation major improvements (#107690)

* added keywords and fixed description

* Update (dateColumn) description

Signed-off-by: Sheikh-Abubaker <sheikhabubaker761@gmail.com>

* Mount docs from the current repository

Signed-off-by: Jack Baldry <jack.baldry@grafana.com>

* Clean up variables

Signed-off-by: Jack Baldry <jack.baldry@grafana.com>

* Improve timeFilter and timeGroup macro description

Signed-off-by: Sheikh-Abubaker <sheikhabubaker761@gmail.com>

* Fix timefilter macro example formatting

Signed-off-by: Sheikh-Abubaker <sheikhabubaker761@gmail.com>

* Fix time macro example formatting

Signed-off-by: Sheikh-Abubaker <sheikhabubaker761@gmail.com>

* Remove extra spaces from timefilter macro example

Signed-off-by: Sheikh-Abubaker <sheikhabubaker761@gmail.com>

* Introduce new table and Add examples for time, timeFilter and timeGroup Macros

Signed-off-by: Sheikh-Abubaker <sheikhabubaker761@gmail.com>

* Improve existing examples of timeGroupAlias Macro

Signed-off-by: Sheikh-Abubaker <sheikhabubaker761@gmail.com>

* Remove data frame description

Signed-off-by: Sheikh-Abubaker <sheikhabubaker761@gmail.com>

* fixed the homepage with valid links

Signed-off-by: Usman Ahmad <usman.ahmad@grafana.com>

* Add Table Panel results for Macros

Signed-off-by: Sheikh-Abubaker <sheikhabubaker761@gmail.com>

* fixed and define the configuration part for grafana mysql user

Signed-off-by: Usman Ahmad <usman.ahmad@grafana.com>

* fixed port typo

Signed-off-by: Usman Ahmad <usman.ahmad@grafana.com>

* remove the sqlDatasourceDatabaseSelection based https://github.com/grafana/grafana/issues/105232

Signed-off-by: Usman Ahmad <usman.ahmad@grafana.com>

* added annotation single tag example

Signed-off-by: Usman Ahmad <usman.ahmad@grafana.com>

* Change format type

Signed-off-by: Sheikh-Abubaker <sheikhabubaker761@gmail.com>

* fix minor typos and run prettier

Signed-off-by: Usman Ahmad <usman.ahmad@grafana.com>

* Address Macros specific changes

Signed-off-by: Sheikh-Abubaker <sheikhabubaker761@gmail.com>

* Revert column name and replace URL with version substitution

Signed-off-by: Sheikh-Abubaker <sheikhabubaker761@gmail.com>

* re-added the text for the feature flag

Signed-off-by: Usman Ahmad <usman.ahmad@grafana.com>

* revert back the changes for the grafana mysql usage

Signed-off-by: Usman Ahmad <usman.ahmad@grafana.com>

* fixed links as per writers toolkit guide

* run prettier

Signed-off-by: Usman Ahmad <usman.ahmad@grafana.com>

* Update docs/sources/datasources/mysql/query-editor/_index.md

thanks

Co-authored-by: Zoltán Bedi <zoltan.bedi@gmail.com>

---------

Signed-off-by: Sheikh-Abubaker <sheikhabubaker761@gmail.com>
Signed-off-by: Jack Baldry <jack.baldry@grafana.com>
Signed-off-by: Usman Ahmad <usman.ahmad@grafana.com>
Co-authored-by: Sheikh-Abubaker <sheikhabubaker761@gmail.com>
Co-authored-by: Jack Baldry <jack.baldry@grafana.com>
Co-authored-by: Zoltán Bedi <zoltan.bedi@gmail.com>

docs/variables.mk

@@ -1,11 +1,7 @@
 # List of projects to provide to the make-docs script.
-PROJECTS := grafana
-
-# Use the doc-validator image defined in CI by default.
-export DOC_VALIDATOR_IMAGE := $(shell sed -En 's, *image: "(grafana/doc-validator[^"]+)",\1,p' "$(shell git rev-parse --show-toplevel)/.github/workflows/doc-validator.yml")
-
-# Skip some doc-validator checks.
-export DOC_VALIDATOR_SKIP_CHECKS := $(shell sed -En "s, *'--skip-checks=(.+)',\1,p" "$(shell git rev-parse --show-toplevel)/.github/workflows/doc-validator.yml")
-
-# Only run on sections that have been enabled in CI.
-export DOC_VALIDATOR_INCLUDE := $(shell sed -En "s, *'--include=\\^docs/sources/(.+)',/hugo/content/docs/grafana/latest/\1,p" "$(shell git rev-parse --show-toplevel)/.github/workflows/doc-validator.yml")
+# Format is PROJECT[:[VERSION][:[REPOSITORY][:[DIRECTORY]]]]
+# The following PROJECTS value mounts content into the "grafana" project, at the "latest" version, which is the default if not explicitly set.
+# This results in the content being served at /docs/grafana/latest/.
+# The source of the content is the current repository which is determined by the name of the parent directory of the git root.
+# This overrides the default behavior of assuming the repository directory is the same as the project name.
+PROJECTS := grafana::$(notdir $(basename $(shell git rev-parse --show-toplevel)))