add asio submodules (headers only)

sgarnotel · sgarnotel · commit f669d7425aca · 2019-07-12T13:25:41.000+02:00
diff --git a/.gitmodules b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "src/ffgraphics/asio"]
+	path = src/ffgraphics/asio
+	url = https://github.com/chriskohlhoff/asio
diff --git a/src/ffgraphics/asio b/src/ffgraphics/asio
@@ -0,0 +1 @@
+Subproject commit 2a1f68845adec11574bfd91a7f860e63edd529a5

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1,3 @@`
	`1`	`+[submodule "src/ffgraphics/asio"]`
	`2`	`+ path = src/ffgraphics/asio`
	`3`	`+ url = https://github.com/chriskohlhoff/asio`