[DOCS] Adds placeholder for 7.0.0-rc1 release notes

Author: lcawl

docs/reference/release-notes.asciidoc

@@ -6,11 +6,14 @@
 
 This section summarizes the changes in each release.
 
+* <<release-notes-7.0.0-rc1>>
 * <<release-notes-7.0.0-beta1>>
 * <<release-notes-7.0.0-alpha2>>
 * <<release-notes-7.0.0-alpha1>>
 
 --
+
+include::release-notes/7.0.0-rc1.asciidoc[]
 include::release-notes/7.0.0-beta1.asciidoc[]
 include::release-notes/7.0.0-alpha2.asciidoc[]
 include::release-notes/7.0.0-alpha1.asciidoc[]

docs/reference/release-notes/7.0.0-beta1.asciidoc

@@ -1,7 +1,7 @@
 [[release-notes-7.0.0-beta1]]
-== 7.0.0-beta1 Release Notes
+== {es} version 7.0.0-beta1
 
-Also see <<breaking-changes-7.0>>.
+Also see <<breaking-changes-7.0,Breaking changes in 7.0>>.
 
 [[breaking-7.0.0-beta1]]
 [float]

docs/reference/release-notes/7.0.0-rc1.asciidoc

@@ -0,0 +1,6 @@
+[[release-notes-7.0.0-rc1]]
+== {es} version 7.0.0-rc1
+
+Also see <<breaking-changes-7.0,Breaking changes in 7.0>>.
+
+coming[7.0.0]