[docs] Add placeholder files for 7.6 release highlights and breaking …

…changes (elastic#15663) (elastic#15842)

libbeat/docs/release-notes/breaking/breaking-7.6.asciidoc

@@ -0,0 +1,15 @@
+[[breaking-changes-7.6]]
+
+=== Breaking changes in 7.6
+++++
+<titleabbrev>7.6</titleabbrev>
+++++
+
+{see-relnotes}
+
+//NOTE: The notable-breaking-changes tagged regions are re-used in the
+//Installation and Upgrade Guide
+
+//tag::notable-breaking-changes[]
+
+// end::notable-breaking-changes[]

libbeat/docs/release-notes/breaking/breaking.asciidoc

@@ -11,6 +11,8 @@ changes, but there are breaking changes between major versions (e.g. 6.x to
 
 See the following topics for a description of breaking changes:
 
+* <<breaking-changes-7.6>>
+
 * <<breaking-changes-7.5>>
 
 * <<breaking-changes-7.4>>
@@ -23,6 +25,8 @@ See the following topics for a description of breaking changes:
 
 * <<breaking-changes-7.0>>
 
+include::breaking-7.6.asciidoc[]
+
 include::breaking-7.5.asciidoc[]
 
 include::breaking-7.4.asciidoc[]

libbeat/docs/release-notes/highlights/highlights-7.6.0.asciidoc

@@ -0,0 +1,26 @@
+[[release-highlights-7.6.0]]
+=== 7.6 release highlights
+++++
+<titleabbrev>7.6</titleabbrev>
+++++
+
+Each release of {beats} brings new features and product improvements. 
+Following are the most notable features and enhancements in 7.6.
+
+For a complete list of highlights, see the 
+https://www.elastic.co/blog/beats-7-6-0-released[{beats} 7.6 release blog].
+
+For a list of bug fixes and other changes, see the {beats}
+<<breaking-changes-7.6, Breaking Changes>> and <<release-notes, Release Notes>>.
+
+//NOTE: The notable-highlights tagged regions are re-used in the
+//Installation and Upgrade Guide
+
+// tag::notable-highlights[]
+
+//[float]
+//==== Highlight
+
+//Description
+
+// end::notable-highlights[]

libbeat/docs/release-notes/highlights/highlights.asciidoc

@@ -4,6 +4,8 @@
 This section summarizes the most important changes in each release. For the 
 full list, see <<release-notes>> and <<breaking-changes>>. 
 
+* <<release-highlights-7.6.0>>
+
 * <<release-highlights-7.5.0>>
 
 * <<release-highlights-7.4.0>>
@@ -16,6 +18,8 @@ full list, see <<release-notes>> and <<breaking-changes>>.
 
 * <<release-highlights-7.0.0>>
 
+include::highlights-7.6.0.asciidoc[]
+
 include::highlights-7.5.0.asciidoc[]
 
 include::highlights-7.4.0.asciidoc[]