diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..f38e6bd
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "external/happycube"]
+	path = external/happycube
+	url = https://github.com/happycube/misc
diff --git a/acatcher b/acatcher
new file mode 120000
index 0000000..3b8f2ab
--- /dev/null
+++ b/acatcher
@@ -0,0 +1 @@
+external/happycube/projects/acatcher
\ No newline at end of file
diff --git a/external/happycube b/external/happycube
new file mode 160000
index 0000000..6b1df9d
--- /dev/null
+++ b/external/happycube
@@ -0,0 +1 @@
+Subproject commit 6b1df9dff09d83ccd32cb7c12e85a6c9285db6af