refactor(users/Profpatsch/whatcd-resolver): init MyLabel

move the label stuff into its own temporary module (until we figure
out what to put into pa-label).

Also rewrite a few things to use t2/t3.

Change-Id: I8cc8678ec01a56d6c738eb4833a3ba566a7a1e20
Reviewed-on: https://cl.tvl.fyi/c/depot/+/13242
Tested-by: BuildkiteCI
Reviewed-by: Profpatsch <mail@profpatsch.de>

users/Profpatsch/whatcd-resolver/whatcd-resolver.cabal

@@ -32,6 +32,9 @@ common common-options
     -- known as RecordDotSyntax
     OverloadedRecordDot
 
+    -- Make #labels available
+    OverloadedLabels
+
     -- does not export record fields as functions, use OverloadedRecordDot to access instead
     NoFieldSelectors
 
@@ -68,6 +71,7 @@ library
        Bencode
        JsonLd
        Optional
+       MyLabel
        Http
        Html
        Transmission