Adds changes to the applies_to page (#1325)

* Applies versioning changes to the `applies` page

* Add information about tagging feature lifecycle and version changes

* Clarify applies_to usage

* Cleaning up the document

* Restructure life-cycles and fix typos

* Update docs/syntax/applies.md

Co-authored-by: Liam Thompson <32779855+leemthompo@users.noreply.github.com>

* Update docs/syntax/applies.md

Co-authored-by: Liam Thompson <32779855+leemthompo@users.noreply.github.com>

* Apply review requests

* Restructure content

* Update docs/syntax/applies.md

Co-authored-by: Liam Thompson <32779855+leemthompo@users.noreply.github.com>

* Update docs/syntax/applies.md

Co-authored-by: Liam Thompson <32779855+leemthompo@users.noreply.github.com>

* Update docs/syntax/applies.md

Co-authored-by: Liam Thompson <32779855+leemthompo@users.noreply.github.com>

* Fix broken links and move `life cycle` section

* Replace/add applies_to examples

* Update docs/syntax/applies.md

Co-authored-by: florent-leborgne <florent.leborgne@elastic.co>

* Apply review suggestion

* Fix typos

* Fix broken links

* Update docs/syntax/applies.md

Co-authored-by: florent-leborgne <florent.leborgne@elastic.co>

* Update docs/syntax/applies.md

Co-authored-by: florent-leborgne <florent.leborgne@elastic.co>

* Update docs/syntax/applies.md

Co-authored-by: florent-leborgne <florent.leborgne@elastic.co>

---------

Co-authored-by: Liam Thompson <32779855+leemthompo@users.noreply.github.com>
Co-authored-by: florent-leborgne <florent.leborgne@elastic.co>

Author: 3 people

docs/contribute/index.md

@@ -45,7 +45,7 @@ This [tagging system](#applies-to) is mandatory for all of the public-facing doc
 
 Use the [`applies_to`](../syntax/applies.md) tag to indicate which versions, deployment types, or release stages each part of the content is relevant to.
 
-You must always use the `applies_to` tag at the [page](../syntax/applies.md#page-annotations) level. Optionally, you can also use it at the [section](../syntax/applies.md#sections) or [inline](../syntax/applies.md#inline-applies-to) level if certain parts of the content apply only to specific versions, deployment types, or release stages.
+You must always use the `applies_to` tag at the [page](../syntax/applies.md#page-annotations) level. Optionally, you can also use it at the [section](../syntax/applies.md#section-annotations) or [inline](../syntax/applies.md#inline-annotations) level if certain parts of the content apply only to specific versions, deployment types, or release stages.
 
 ## Report a bug