correctly attribute Dockerfiles

Emilgardis · Emilgardis · commit 08acc543bc20 · 2022-10-20T12:08:09.000+02:00
without this, `docker/Dockerfile.zig` is identified as Zig
diff --git a/.gitattributes b/.gitattributes
@@ -0,0 +1 @@
+Dockerfile.* linguist-language=Dockerfile

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1 @@`
	`1`	`+Dockerfile.* linguist-language=Dockerfile`