Bump version

Author: Jan Schulte

package.json

@@ -13,7 +13,7 @@
         "type": "git",
         "url": "https://github.com/schultyy/better-seo"
     },
-    "version": "1.5.0",
+    "version": "1.6.0",
     "icon": "resources/better_seo.png",
     "engines": {
         "vscode": "^1.54.0"