README.rst added

README.rst

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+======
+chrony
+======
+
+Formula to set up and configure chrony
+
+Available states
+================
+
+.. contents::
+    :local:
+
+``chrony``
+----------
+
+Installs the chrony package.
+
+``chrony.config``
+-----------------
+This state manages the file ``chrony.conf`` under ``/etc`` (template found in "chrony/files"). The configuration is populated by values in "chrony/map.jinja", which are based on the package's default values (for RedHat and Debian family distributions), and are overridden by values of the same name in pillar.