Add readthedocs config file

We need this to maintain our docs build, which won't work with shallow
clones.

Signed-off-by: Stephen Finucane <stephen@that.guru>

diff --git a/.readthedocs.yaml b/.readthedocs.yaml
new file mode 100644 (file)
index 0000000..1ca62df
--- /dev/null
+++ b/.readthedocs.yaml
@@ -0,0 +1,6 @@
+---
+version: 2
+build:
+  jobs:
+    post_checkout:
+      - git fetch --unshallow