Add blank theme. Who knows - we might need it!

Add blank theme. Who knows - we might need it!

diff --git a/.gitmodules b/.gitmodules
index 6ffb389..657c8c2 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -668,3 +668,6 @@
 [submodule "themes/discourse-post-height-detective"]
 	path = themes/discourse-post-height-detective
 	url = https://github.com/davidtaylorhq/discourse-post-height-detective
+[submodule "themes/discourse-blank-theme"]
+	path = themes/discourse-blank-theme
+	url = https://github.com/discourse/discourse-blank-theme
diff --git a/themes/discourse-blank-theme b/themes/discourse-blank-theme
new file mode 160000
index 0000000..24c4c49
--- /dev/null
+++ b/themes/discourse-blank-theme
@@ -0,0 +1 @@
+Subproject commit 24c4c4906e97dc799b4028c68af5004b21e59a09

GitHub sha: 61ccb727d2b3bafbf3bcbc7e784ba00e50a7e6d6