feat: initial commit of Railtrack Pro prototype with complete test suite

node_modules/@csstools/css-syntax-patches-for-csstree/dist/index.d.ts

@@ -0,0 +1,5 @@
+export const next: {
+	atrules: Record<string, { descriptors: Record<string, string> }>,
+	properties: Record<string, string>,
+	types: Record<string, string>,
+}