Add Extend Constants

Signed-off-by: Mirabel Wang <mirabel.17.wang@gmail.com>
Change-Id: Iac9692569b52fb9fd121cb3ab45e513202ddbba6
diff --git a/y2024/control_loops/python/BUILD b/y2024/control_loops/python/BUILD
index 93d4fe2..9cbfcf8 100644
--- a/y2024/control_loops/python/BUILD
+++ b/y2024/control_loops/python/BUILD
@@ -122,6 +122,22 @@
     ],
 )
 
+py_binary(
+    name = "extend",
+    srcs = [
+        "extend.py",
+    ],
+    legacy_create_init = False,
+    target_compatible_with = ["@platforms//cpu:x86_64"],
+    deps = [
+        ":python_init",
+        "//frc971/control_loops/python:controls",
+        "//frc971/control_loops/python:linear_system",
+        "@pip//glog",
+        "@pip//python_gflags",
+    ],
+)
+
 py_library(
     name = "python_init",
     srcs = ["__init__.py"],