[DOCS] Adds placeholder for 7.1.0 release notes (#42024)

Author: jrodewig

docs/reference/release-notes.asciidoc

@@ -6,6 +6,7 @@
 
 This section summarizes the changes in each release.
 
+* <<release-notes-7.1.0>>
 * <<release-notes-7.0.1>>
 * <<release-notes-7.0.0>>
 * <<release-notes-7.0.0-rc2>>
@@ -16,6 +17,7 @@ This section summarizes the changes in each release.
 
 --
 
+include::release-notes/7.1.0.asciidoc[]
 include::release-notes/7.0.asciidoc[]
 include::release-notes/7.0.0-rc2.asciidoc[]
 include::release-notes/7.0.0-rc1.asciidoc[]

docs/reference/release-notes/7.1.0.asciidoc

@@ -0,0 +1,52 @@
+////
+// To add a release, copy and paste the following text,  uncomment the relevant
+// sections, and add a link to the new section in the list of releases in
+// ../release-notes.asciidoc. Note that release subheads must be floated and
+// sections cannot be empty.
+// TEMPLATE
+
+// [[release-notes-n.n.n]]
+// == {es} version n.n.n
+
+// coming[n.n.n]
+
+// Also see <<breaking-changes-n.n>>.
+
+// [float]
+// [[breaking-n.n.n]]
+// === Breaking Changes
+
+// [float]
+// [[breaking-java-n.n.n]]
+// === Breaking Java Changes
+
+// [float]
+// [[deprecation-n.n.n]]
+// === Deprecations
+
+// [float]
+// [[feature-n.n.n]]
+// === New Features
+
+// [float]
+// [[enhancement-n.n.n]]
+// === Enhancements
+
+// [float]
+// [[bug-n.n.n]]
+// === Bug Fixes
+
+// [float]
+// [[regression-n.n.n]]
+// === Regressions
+
+// [float]
+// === Known Issues
+////
+
+[[release-notes-7.1.0]]
+== {es} version 7.1.0
+
+Also see <<breaking-changes-7.1,Breaking changes in 7.1>>.
+
+coming[7.1.0]