feat(ci): add CI

Signed-off-by: Julien CLEMENT <julien.clement@epita.fr>

.drone.yml

@@ -0,0 +1,10 @@
+kind: pipeline
+name: build
+
+steps:
+  - name: build
+    image: turboregistry:5000/juju/turbo-ci
+    commands:
+      - ./autogen.sh
+      - ./configure
+      - make

src/message/message.hh

@@ -1,5 +1,6 @@
 #pragma once
 #include <unordered_map>
+#include <optional>
 
 #include "misc/buffer.hh"
 #include "legislator/legislator.hh"

src/misc/addrinfo/addrinfo.cc

@@ -18,7 +18,7 @@ namespace misc
 
 std::ostream& operator<<(std::ostream& os, const addrinfo&)
 {
-    os << "addrinfo{"
+    os << std::string("addrinfo{")
-       << "}";
+       << std::string("}");
     return os;
 }