[docs] Add .gitattributes to mark source and build as vendored

NeoSahadeo · web-flow · commit 97b3fce9f614 · 2025-11-11T10:34:10.000Z
diff --git a/.gitattributes b/.gitattributes
@@ -0,0 +1,2 @@
+source/** linguist-vendored
+build/** linguist-vendored
