Fix homepage

Author: nicolasstucki

package.json

@@ -8,7 +8,7 @@
     "engines": {
         "vscode": "^1.5.0"
     },
-    "homepage": "https://github.com/scala/vscode-scala-syntax/blob/master/syntax/README.md",
+    "homepage": "https://github.com/scala/vscode-scala-syntax/blob/master/README.md",
     "repository": {
         "type": "git",
         "url": "https://github.com/scala/vscode-scala-syntax.git"