Initial commit: rustytokens — native codebase indexer + MCP server

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

tests/fixtures/htmldemo/app.js

@@ -0,0 +1 @@
+console.log("hi");

tests/fixtures/htmldemo/index.html

@@ -0,0 +1,10 @@
+<!DOCTYPE html>
+<html>
+<head>
+  <link rel="stylesheet" href="style.css">
+  <script src="app.js"></script>
+</head>
+<body>
+  <h1>Hello</h1>
+</body>
+</html>

tests/fixtures/htmldemo/style.css

@@ -0,0 +1 @@
+body { color: red; }