First implementation (#1)

Reviewed-on: #1

.gitattributes

@@ -0,0 +1,7 @@
+* text=auto eol=lf
+# Generated data: exact bytes matter, and diffs are by line.
+vectors/** -text diff
+fixtures/** -text diff
+fixtures/**/*.png binary
+# The pixi lock file: generated, highlighted as YAML, never merged line by line.
+pixi.lock merge=binary linguist-language=YAML linguist-generated=true