Add a short description and intention

cli/CMakeLists.txt

@@ -1,6 +1,10 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at https://mozilla.org/MPL/2.0/.
+
 FetchContent_Declare(ftxui
 	GIT_REPOSITORY https://github.com/ArthurSonzogni/ftxui
-	GIT_TAG v6.0.2
+	GIT_TAG v6.1.8
 	GIT_PROGRESS TRUE
 	GIT_SHALLOW TRUE
 	EXCLUDE_FROM_ALL

cli/component.cpp

@@ -1,3 +1,8 @@
+/*
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ */
 #include "component.hpp"
 
 #include <sstream>

cli/component.hpp

@@ -1,3 +1,8 @@
+/*
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ */
 #pragma once
 
 #include <optional>

cli/main.cpp

@@ -1,3 +1,8 @@
+/*
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ */
 #include <filesystem>
 
 #include <ftxui/component/screen_interactive.hpp>

cli/page.cpp

@@ -1,3 +1,8 @@
+/*
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ */
 #include "page.hpp"
 
 #include <algorithm>

cli/page.hpp

@@ -1,3 +1,8 @@
+/*
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ */
 #pragma once
 
 #include <ftxui/component/event.hpp>