feat(users/Profpatsch): init netencode-hs

Haskell implementation of the netncode parser & generators.

Change-Id: I904df752e78641110af2857e71d8206bf432d427
Reviewed-on: https://cl.tvl.fyi/c/depot/+/6114
Tested-by: BuildkiteCI
Reviewed-by: Profpatsch <mail@profpatsch.de>

users/Profpatsch/netencode/netencode.cabal

@@ -0,0 +1,20 @@
+cabal-version:      2.4
+name:               netencode
+version:            0.1.0.0
+author:             Profpatsch
+maintainer:         mail@profpatsch.de
+
+library
+    exposed-modules:          Netencode
+
+    build-depends:
+        base ^>=4.15.1.0,
+        hedgehog,
+        nonempty-containers,
+        deriving-compat,
+        my-prelude,
+        data-fix,
+        bytestring,
+        attoparsec,
+
+    default-language: Haskell2010