chore(tazjin/dt): Move project into user folder

... missed this when going multi-user.

Change-Id: If2c9f24555f82e944e3cebb45b2a13801cc1f35e
Reviewed-on: https://cl.tvl.fyi/c/depot/+/1844
Tested-by: BuildkiteCI
Reviewed-by: kanepyork <rikingcoding@gmail.com>

users/tazjin/dt/CMakeLists.txt

@@ -0,0 +1,16 @@
+# -*- mode: cmake; -*-
+cmake_minimum_required(VERSION 3.16)
+project(dt)
+add_executable(dt dt.cc)
+find_package(absl REQUIRED)
+
+target_link_libraries(dt
+  absl::flags
+  absl::flags_parse
+  absl::hash
+  absl::time
+  absl::strings
+  farmhash
+)
+
+install(TARGETS dt DESTINATION bin)