Use .gitmodules to handle our local embeds

diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..86c7033
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,6 @@
+[submodule "LibStub"]
+	path = embeds/LibStub
+	url = git://github.com/p3lim-wow/LibStub.git
+[submodule "LibProcessable"]
+	path = embeds/LibProcessable
+	url = git://github.com/p3lim-wow/LibProcessable.git
diff --git a/.pkgmeta b/.pkgmeta
index e4ecba1..95ee95c 100644
--- a/.pkgmeta
+++ b/.pkgmeta
@@ -12,7 +12,9 @@ manual-changelog:
     markup-type: markdown

 ignore:
+    - .gitmodules
     - embeds/LibStub/tests
     - embeds/LibStub/.pkgmeta
+    - embeds/LibProcessable/.gitmodules
     - embeds/LibProcessable/.pkgmeta
     - embeds/LibProcessable/README.md