SPDX license update

Canonical LGPL-3.0-only text, GPL-3.0 companion, SPDX headers on all
first-party sources, MIT for examples/. Vendored lib/ untouched.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

examples/LICENSE

@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (C) 2026 Catcrafts®
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

examples/hello-world/main.cpp

@@ -1,3 +1,6 @@
+//SPDX-License-Identifier: MIT
+//SPDX-FileCopyrightText: Copyright (C) 2026 Catcrafts®
+
 import std;
 
 int main() {

examples/hello-world/project.cpp

@@ -1,3 +1,6 @@
+//SPDX-License-Identifier: MIT
+//SPDX-FileCopyrightText: Copyright (C) 2026 Catcrafts®
+
 import std;
 import Crafter.Build;
 namespace fs = std::filesystem;

examples/library/main.cpp

@@ -1,3 +1,6 @@
+//SPDX-License-Identifier: MIT
+//SPDX-FileCopyrightText: Copyright (C) 2026 Catcrafts®
+
 import std;
 import MyMath;
 

examples/library/mylib/MyMath.cppm

@@ -1,3 +1,6 @@
+//SPDX-License-Identifier: MIT
+//SPDX-FileCopyrightText: Copyright (C) 2026 Catcrafts®
+
 export module MyMath;
 import std;
 

examples/library/project.cpp

@@ -1,3 +1,6 @@
+//SPDX-License-Identifier: MIT
+//SPDX-FileCopyrightText: Copyright (C) 2026 Catcrafts®
+
 import std;
 import Crafter.Build;
 namespace fs = std::filesystem;

examples/tests/mylib/MyMath.cppm

@@ -1,3 +1,6 @@
+//SPDX-License-Identifier: MIT
+//SPDX-FileCopyrightText: Copyright (C) 2026 Catcrafts®
+
 export module MyMath;
 import std;
 

examples/tests/project.cpp

@@ -1,3 +1,6 @@
+//SPDX-License-Identifier: MIT
+//SPDX-FileCopyrightText: Copyright (C) 2026 Catcrafts®
+
 import std;
 import Crafter.Build;
 namespace fs = std::filesystem;

examples/tests/tests/Smoke/main.cpp

@@ -1,3 +1,6 @@
+//SPDX-License-Identifier: MIT
+//SPDX-FileCopyrightText: Copyright (C) 2026 Catcrafts®
+
 // Single-file test: no project.cpp needed. The folder name "Smoke" becomes
 // the test name. Exit 0 = pass, anything else = fail, exit 77 = skipped.
 import std;

examples/tests/tests/UnitMyMath/main.cpp

@@ -1,3 +1,6 @@
+//SPDX-License-Identifier: MIT
+//SPDX-FileCopyrightText: Copyright (C) 2026 Catcrafts®
+
 import std;
 import MyMath;
 

examples/wasi/main.cpp

@@ -1,3 +1,6 @@
+//SPDX-License-Identifier: MIT
+//SPDX-FileCopyrightText: Copyright (C) 2026 Catcrafts®
+
 import std;
 
 int main() {

examples/wasi/project.cpp

@@ -1,3 +1,6 @@
+//SPDX-License-Identifier: MIT
+//SPDX-FileCopyrightText: Copyright (C) 2026 Catcrafts®
+
 import std;
 import Crafter.Build;
 namespace fs = std::filesystem;

examples/wasi/serve.sh

@@ -1,2 +1,5 @@
 #!/usr/bin/env sh
+#SPDX-License-Identifier: MIT
+#SPDX-FileCopyrightText: Copyright (C) 2026 Catcrafts®
+
 caddy file-server --listen :8080 --root bin/wasi-hello-wasm32-wasip1-native

examples/with-module/interfaces/Greeter.cppm

@@ -1,3 +1,6 @@
+//SPDX-License-Identifier: MIT
+//SPDX-FileCopyrightText: Copyright (C) 2026 Catcrafts®
+
 export module Greeter;
 import std;
 

examples/with-module/main.cpp

@@ -1,3 +1,6 @@
+//SPDX-License-Identifier: MIT
+//SPDX-FileCopyrightText: Copyright (C) 2026 Catcrafts®
+
 import std;
 import Greeter;
 

examples/with-module/project.cpp

@@ -1,3 +1,6 @@
+//SPDX-License-Identifier: MIT
+//SPDX-FileCopyrightText: Copyright (C) 2026 Catcrafts®
+
 import std;
 import Crafter.Build;
 namespace fs = std::filesystem;