Create a UI for target definitions

Allows the user to click on points on a target,
and then writes them to a json file.

Change-Id: I158f757d4a0fe1239154733f0b217aa04c36f2cc
Signed-off-by: milind-u <milind.upadhyay@gmail.com>
diff --git a/y2020/vision/tools/python_code/BUILD b/y2020/vision/tools/python_code/BUILD
index a867578..fc7322d 100644
--- a/y2020/vision/tools/python_code/BUILD
+++ b/y2020/vision/tools/python_code/BUILD
@@ -44,6 +44,7 @@
     srcs = [
         "target_definition.py",
     ],
+    data = glob(["target_definitions/*.json"]),
     deps = [
         ":camera_definition",
         ":define_training_data",