Revert "remove submodule"

iPolyomino · iPolyomino · commit 8f2967255f0f · 2020-05-15T02:34:24.000+09:00
This reverts commit 4202f66.
diff --git a/.gitmodules b/.gitmodules
@@ -7,3 +7,6 @@
 [submodule "hosting/public/kanna"]
 	path = hosting/public/kanna
 	url = https://github.com/Kasgai/kanna.git
+[submodule "hosting/public/shikkui"]
+	path = hosting/public/shikkui
+	url = https://github.com/Kasgai/shikkui.git
diff --git a/hosting/public/shikkui b/hosting/public/shikkui
@@ -0,0 +1 @@
+Subproject commit 36d7d7411b3d80de212480acb4711422f29e1a73
