Start building rousette

Also, given that the CI-built images were already peaking at 395 MB used
in rootfs, add some breathing space.

Change-Id: Ia1b3485364ba0f3fa23b77c867ff51a9d8cefacc
diff --git a/package/rousette/Config.in b/package/rousette/Config.in
new file mode 100644
index 0000000..423709f
--- /dev/null
+++ b/package/rousette/Config.in
@@ -0,0 +1,16 @@
+config BR2_PACKAGE_ROUSETTE
+	bool "rousette"
+	select BR2_PACKAGE_BOOST
+	select BR2_PACKAGE_DOCOPT_CPP
+	select BR2_PACKAGE_LIBYANG
+	select BR2_PACKAGE_LIBYANG_CPP
+	select BR2_PACKAGE_NGHTTP2
+	select BR2_PACKAGE_NGHTTP2_CXX
+	select BR2_PACKAGE_SPDLOG
+	select BR2_PACKAGE_SYSTEMD
+	select BR2_PACKAGE_SYSREPO
+	select BR2_PACKAGE_SYSREPO_CPP
+	help
+	  RESTCONF-ish server on top of sysrepo
+
+	  https://gerrit.cesnet.cz/q/project:CzechLight/rousette