remove svg file from packaging

.tours/intro.tour

@@ -4,7 +4,7 @@
   "steps": [
     {
       "file": "src/extension.ts",
-      "description": "Hey 👋 Welcome to CodeTour! CodeTour is a VS Code extension that allows you to record and play back walkthroughs of your codebases. The CodeTour codebase itself is comprised of two main components:\n\n* **Recorder:** Allows a repo maintainer/member to create a tour using a visual experience\n* **Player:** Allows members of the repo to view a recorded tour\n\n![Overview](./overview.drawio.svg)",
+      "description": "Hey 👋 Welcome to CodeTour! CodeTour is a VS Code extension that allows you to record and play back walkthroughs of your codebases. The CodeTour codebase itself is comprised of two main components:\n\n* **Recorder:** Allows a repo maintainer/member to create a tour using a visual experience\n* **Player:** Allows members of the repo to view a recorded tour\n\n![Overview](https://raw.githubusercontent.com/microsoft/codetour/main/overview.drawio.svg)",
       "line": 13
     }
   ]

.vscodeignore

@@ -9,4 +9,5 @@ tsconfig.json
 webpack.config.js
 **/*.vsix
 .git/**
-.github/**
+.github/**
+**/*.svg