Add rudimentary $web_search_provider support

Currently only does single words. Multi-word support coming once
@cmcaine fixes commandline parser.

src/excmds_background.ts

@@ -178,5 +178,11 @@ export function open(url: string) {
     messageActiveTab("open", [url])
 }
 
+// Hard coded search but lack thereof was annoying
+export function google(query: string[]){
+    let url = "https://www.google.co.uk/search?q=" + query//.join(" ")
+    messageActiveTab("open", [url])
+}
+
 // Misc functions
 export function focuscmdline() { messageActiveTab("focuscmdline") }

src/parsing.ts

@@ -47,7 +47,7 @@ export namespace normalmode {
         ["gT", "tabprev"],
         ["gr", "reader"],
         [":", "showcommandline"],
-        ["s", "open google"],
+        ["s", "showcommandline google"],
         ["xx", "something"],
         ["i", "insertmode"],
         // Special keys must be prepended with 🄰