add aman-com as a submodule

.gitmodules

@@ -0,0 +1,4 @@
+[submodule "src/com/protobuf"]
+	path = src/com/protobuf
+	url = git@git.vatsim-germany.org:nav/aman-com.git
+	branch = feature/protobuf

src/com/protobuf

@@ -0,0 +1 @@
+Subproject commit 2f7a1d1e19ad89d25602e507a439248010576bdd