add license notice to all headers and add LICENSE_1_0.txt

include/bits/include-all.hpp

@@ -1,3 +1,7 @@
+//          Copyright Johannes Kapfhammer 2019-2022.
+// Distributed under the Boost Software License, Version 1.0.
+//    (See accompanying file LICENSE_1_0.txt or copy at
+//          http://www.boost.org/LICENSE_1_0.txt)
 #include <algorithm>
 #include <array>
 #include <bitset>

include/bits/soi-dbg.hpp

@@ -1,4 +1,4 @@
-//          Copyright Johannes Kapfhammer 2019.
+//          Copyright Johannes Kapfhammer 2019-2022.
 // Distributed under the Boost Software License, Version 1.0.
 //    (See accompanying file LICENSE_1_0.txt or copy at
 //          http://www.boost.org/LICENSE_1_0.txt)

include/bits/soi-deprecate.hpp

@@ -1,3 +1,7 @@
+//          Copyright Johannes Kapfhammer 2019-2022.
+// Distributed under the Boost Software License, Version 1.0.
+//    (See accompanying file LICENSE_1_0.txt or copy at
+//          http://www.boost.org/LICENSE_1_0.txt)
 #pragma GCC diagnostic error "-Wdeprecated-declarations"
 
 struct endl_is_evil_t {

include/bits/soi-io.hpp

@@ -1,3 +1,7 @@
+//          Copyright Johannes Kapfhammer 2019-2022.
+// Distributed under the Boost Software License, Version 1.0.
+//    (See accompanying file LICENSE_1_0.txt or copy at
+//          http://www.boost.org/LICENSE_1_0.txt)
 #include <iostream>
 #include <cassert>
 #include <vector>

include/bits/soi-pretty.hpp

@@ -1,11 +1,10 @@
-//          Copyright Johannes Kapfhammer 2019.
+//          Copyright Johannes Kapfhammer 2019-2022.
 // Distributed under the Boost Software License, Version 1.0.
 //    (See accompanying file LICENSE_1_0.txt or copy at
 //          http://www.boost.org/LICENSE_1_0.txt)
 //
 // pretty pretty_printing with c++
 //
-
 #ifndef SOI_PRETTY
 #define SOI_PRETTY
 

include/bits/soi-redirect.hpp

@@ -1,3 +1,7 @@
+//          Copyright Johannes Kapfhammer 2019-2022.
+// Distributed under the Boost Software License, Version 1.0.
+//    (See accompanying file LICENSE_1_0.txt or copy at
+//          http://www.boost.org/LICENSE_1_0.txt)
 #include <ostream>
 #include <streambuf>
 

include/soi

@@ -4,6 +4,11 @@
    yet.  All will be explained.  This header is primarily used so that you don't
    have to understand every concept all at once.
 */
+//          Copyright Johannes Kapfhammer 2019-2022.
+// Distributed under the Boost Software License, Version 1.0.
+//    (See accompanying file LICENSE_1_0.txt or copy at
+//          http://www.boost.org/LICENSE_1_0.txt)
+
 
 #include "bits/include-all.hpp"