Adding basic checks to the repository.

Signed-off-by: Tim 'mithro' Ansell <tansell@google.com>

.github/workflows/checks-basic.yml

diff --git a/.github/workflows/checks-basic.yml b/.github/workflows/checks-basic.yml
new file mode 100644
index 0000000..963eca4
--- /dev/null
+++ b/.github/workflows/checks-basic.yml
@@ -0,0 +1,33 @@
+# Copyright 2019-2021 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
+
+name: Checks
+
+on:
+  push:
+  pull_request:
+
+jobs:
+
+  Basic:
+    runs-on: ubuntu-latest
+    steps:
+
+    - uses: actions/checkout@main
+      with:
+        submodules: true
+
+    - uses: SymbiFlow/actions/checks@main