docs: add cache headers

yyx990803 · yyx990803 · commit 65f8a2e608c7 · 2021-01-02T01:35:01.000-05:00
diff --git a/docs/public/_headers b/docs/public/_headers
@@ -0,0 +1,3 @@
+/assets/*
+  cache-control: max-age=31536000
+  cache-control: immutable
