Convert top level files back to RST.

Signed-off-by: Tim 'mithro' Ansell <tansell@google.com>
diff --git a/CODE_OF_CONDUCT.md b/CODE_OF_CONDUCT.md
deleted file mode 100644
index 737a9bb..0000000
--- a/CODE_OF_CONDUCT.md
+++ /dev/null
@@ -1,8 +0,0 @@
-This project follows the [Google Open Source Community Guidelines](https://opensource.google/conduct).
-
-A copy of these guidelines can be found locally in this repository at
-[docs/open-source-pdks/code-of-conduct.rst](./docs/open-source-pdks/code-of-conduct.rst).
-
-A copy of these guidelines are also
-[included in the published documentation](https://gf180mcu-pdk.readthedocs.io/en/latest//open-source-pdks/code-of-conduct.html)
-located at <https://gf180mcu-pdk.rtfd.io>.
diff --git a/CODE_OF_CONDUCT.rst b/CODE_OF_CONDUCT.rst
new file mode 100644
index 0000000..ef1ddcd
--- /dev/null
+++ b/CODE_OF_CONDUCT.rst
@@ -0,0 +1,9 @@
+This project follows the `Google Open Source Community
+Guidelines <https://opensource.google/conduct>`__.
+
+A copy of these guidelines can be found locally in this repository at
+`docs/open-source-pdks/code-of-conduct.rst <./docs/open-source-pdks/code-of-conduct.rst>`__.
+
+A copy of these guidelines are also `included in the published
+documentation <https://gf180mcu-pdk.readthedocs.io/en/latest//open-source-pdks/code-of-conduct.html>`__
+located at https://gf180mcu-pdk.rtfd.io.
diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
deleted file mode 100644
index 9823c13..0000000
--- a/CONTRIBUTING.md
+++ /dev/null
@@ -1,6 +0,0 @@
-Guidelines for contributing can be found locally in this repository at
-[docs/open-source-pdks/contributing.rst](./docs/open-source-pdks/contributing.rst).
-
-A copy of these guidelines are also
-[included in the published documentation](https://gf180mcu-pdk.readthedocs.io/en/latest//open-source-pdks/contributing.html)
-located at <https://gf180mcu-pdk.rtfd.io>.
diff --git a/CONTRIBUTING.rst b/CONTRIBUTING.rst
new file mode 100644
index 0000000..0aec1e6
--- /dev/null
+++ b/CONTRIBUTING.rst
@@ -0,0 +1,6 @@
+Guidelines for contributing can be found locally in this repository at
+`docs/open-source-pdks/contributing.rst <./docs/open-source-pdks/contributing.rst>`__.
+
+A copy of these guidelines are also `included in the published
+documentation <https://gf180mcu-pdk.readthedocs.io/en/latest//open-source-pdks/contributing.html>`__
+located at https://gf180mcu-pdk.rtfd.io.