Update to v2.1.0 adding pressure units

Author: deefrawley

plugin.json

@@ -4,7 +4,7 @@
     "Name": "General Converter",
     "Description": "General weights and measures converter",
     "Author": "deefrawley",
-    "Version": "2.0.3",
+    "Version": "2.1.0",
     "Language": "python",
     "Website": "https://github.com/deefrawley/Flow.Launcher.Plugin.GenConvert",
     "IcoPath": "assets/favicon.ico",