fix path to extension

Author: doublefint

client/package.json

@@ -9,7 +9,7 @@
   "repository": { "type": "git", "url": "https://github.com/doublefint/vscode-pgsql.git" },
   "categories": [ "Languages", "Other" ],
   "activationEvents": [ "onLanguage:pgsql" ],
-  "main": "./out/src/extension",
+  "main": "./out/extension",
   "contributes": {
 
     "commands": [