commit 4d8714e7619dad6b7fe4c32334904456dd08fb47
Author: Peter Cai <peter@typeblog.net>
Date:   Wed Oct 12 13:59:12 2022 -0400

    Initial

diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..6f5e483
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "matrix-dimension"]
+	path = matrix-dimension
+	url = https://github.com/turt2live/matrix-dimension
diff --git a/matrix-dimension b/matrix-dimension
new file mode 160000
index 0000000..425854f
--- /dev/null
+++ b/matrix-dimension
@@ -0,0 +1 @@
+Subproject commit 425854fc856d288fbee946ec7cce4b671cd1c40c