docs: Adding .readthedocs.yml file.
Signed-off-by: Tim 'mithro' Ansell <tansell@google.com>
diff --git a/.readthedocs.yml b/.readthedocs.yml
new file mode 100644
index 0000000..4b63f51
--- /dev/null
+++ b/.readthedocs.yml
@@ -0,0 +1,29 @@
+# Copyright 2020 SkyWater PDK Authors
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+# SPDX-License-Identifier: Apache-2.0
+
+# .readthedocs.yml
+# Read the Docs configuration file
+# See https://docs.readthedocs.io/en/stable/config-file/v2.html for details
+
+# Required
+version: 2
+
+# Build documentation in the docs/ directory with Sphinx
+sphinx:
+ configuration: docs/conf.py
+
+conda:
+ environment: environment.yml
