Add a conanfile

* Closes #12

conanfile.py

@@ -0,0 +1,37 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+
+from conans import ConanFile, tools
+
+def get_version():
+    git = tools.Git()
+    try:
+        return git.run("describe --tags --abbrev=0")
+    except:
+        return None
+
+class ContinuableConan(ConanFile):
+    name = "continuable"
+    version = get_version()
+    license = "MIT"
+    url = "https://github.com/Naios/continuable"
+    author = "Denis Blank (denis.blank@outlook.com)"
+    description = "C++14 asynchronous allocation aware futures"
+    homepage = "https://naios.github.io/continuable/"
+    no_copy_source = True
+    scm = {
+        "type": "git",
+        "url": "auto",
+        "revision": "auto"
+    }
+
+    def package(self):
+        self.copy("LICENSE.txt", "licenses")
+        self.copy("include/*.hpp")
+        self.copy("include/*.inl")
+
+    def package_id(self):
+        self.info.header_only()
+
+    def requirements(self):
+        self.requires("function2/4.0.0@naios/stable")