docs: add a link to the ModelQL explanation in the navigation

Oleksandr Dzhychko · Oleksandr Dzhychko · commit 22dcacbff6da · 2023-11-07T16:13:12.000+01:00
diff --git a/docs/global/modules/core/partials/nav-explanation.adoc b/docs/global/modules/core/partials/nav-explanation.adoc
@@ -1 +1 @@
-// * xref:core:explanation/index.adoc[]
+* xref:core:explanation/modelql.adoc[]

Original file line number	Diff line number	Diff line change
`@@ -1 +1 @@`
`1`		`-// * xref:core:explanation/index.adoc[]`
	`1`	`+* xref:core:explanation/modelql.adoc[]`