feat(users/Profpatsch/whatcd-resolver): add services & readme

Gives a story for running both jaeger and the reverse proxy, and the
program proper.

`postgres` is still run from the client.

Adds a little readme.

Change-Id: I11185028541c0214e152fd76c9c72b7e2eb11122
Reviewed-on: https://cl.tvl.fyi/c/depot/+/11171
Tested-by: BuildkiteCI
Autosubmit: Profpatsch <mail@profpatsch.de>
Reviewed-by: Profpatsch <mail@profpatsch.de>

users/Profpatsch/whatcd-resolver/build.ninja

@@ -0,0 +1,20 @@
+
+builddir = .ninja
+
+outdir = ./output
+
+rule run-services
+  command = s6-svscan ./services
+
+rule run
+  command = execlineb -c '$
+    importas -i DEPOT_ROOT DEPOT_ROOT $
+    importas -i PROFPATSCH_ROOT PROFPATSCH_ROOT cd $$PROFPATSCH_ROOT $
+    nix-run { $$DEPOT_ROOT -A users.Profpatsch.shortcuttable } cabal repl whatcd-resolver/ --repl-options "-e main" $
+    '
+
+build run-services: run-services
+  pool = console
+
+build run: run
+  pool = console