DOC: Start v1.1.5 release notes (#37520)

Author: simonjayhawkins

doc/source/whatsnew/index.rst

@@ -24,6 +24,7 @@ Version 1.1
 .. toctree::
    :maxdepth: 2
 
+   v1.1.5
    v1.1.4
    v1.1.3
    v1.1.2

doc/source/whatsnew/v1.1.4.rst

@@ -52,4 +52,4 @@ Bug fixes
 Contributors
 ~~~~~~~~~~~~
 
-.. contributors:: v1.1.3..v1.1.4|HEAD
+.. contributors:: v1.1.3..v1.1.4

doc/source/whatsnew/v1.1.5.rst

@@ -0,0 +1,36 @@
+.. _whatsnew_115:
+
+What's new in 1.1.5 (??)
+------------------------
+
+These are the changes in pandas 1.1.5. See :ref:`release` for a full changelog
+including other versions of pandas.
+
+{{ header }}
+
+.. ---------------------------------------------------------------------------
+
+.. _whatsnew_115.regressions:
+
+Fixed regressions
+~~~~~~~~~~~~~~~~~
+-
+-
+
+.. ---------------------------------------------------------------------------
+
+.. _whatsnew_115.bug_fixes:
+
+Bug fixes
+~~~~~~~~~
+-
+-
+
+.. ---------------------------------------------------------------------------
+
+.. _whatsnew_115.contributors:
+
+Contributors
+~~~~~~~~~~~~
+
+.. contributors:: v1.1.4..v1.1.5|HEAD