chore: use REUSE to clarify licenses

resolve estkme-group#240

Signed-off-by: Coelacanthus <uwu@coelacanthus.name>

Author: CoelacanthusHex

LICENSES/AGPL-3.0-only.txt

@@ -0,0 +1 @@
+Please contact ESTKME TECHNOLOGY LIMITED, Hong Kong for details.

LICENSES/LGPL-2.1-only.txt

@@ -0,0 +1,18 @@
+MIT License
+
+Copyright (c) 2023-2025 ESTKME TECHNOLOGY LIMITED, Hong Kong
+
+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.

LICENSES/LicenseRef-ESTKME-Commercial.txt

@@ -43,9 +43,6 @@ If you have any issue, please read [FAQ](docs/FAQ.md) first.
 
 ## License
 
-- lpac ([/src](src), [/driver](driver)): AGPL-v3.0-only
-- libeuicc ([/euicc](euicc)): LGPL-v2.1-only or Commercial License Agreement with ESTKME TECHNOLOGY LIMITED, Hong Kong
-- cjson ([/cjson](cjson)): MIT
-- dlfcn-win32 ([/dlfcn-win32](dlfcn-win32)): MIT
+See [REUSE.toml](REUSE.toml) and comment header of files for details.
 
 Copyright © 2023-2025 ESTKME TECHNOLOGY LIMITED, Hong Kong

LICENSES/MIT.txt

@@ -0,0 +1,52 @@
+version = 1
+
+[[annotations]]
+path = [
+    "src/**",
+    "driver/**"
+]
+SPDX-FileCopyrightText = "2023-2025 ESTKME TECHNOLOGY LIMITED, Hong Kong"
+SPDX-License-Identifier = "AGPL-3.0-only"
+
+[[annotations]]
+path = ["euicc/**"]
+SPDX-FileCopyrightText = "2023-2025 ESTKME TECHNOLOGY LIMITED, Hong Kong"
+SPDX-License-Identifier = "LGPL-2.1-only OR LicenseRef-ESTKME-Commercial"
+
+[[annotations]]
+path = [
+    # Auxiliary files
+    ".github/**",
+    "scripts/**",
+    # Build system files
+    "cmake/**",
+    "CMakeLists.txt",
+    # Documents
+    "docs/**",
+    "README.md",
+    # Config for other tools
+    ".editorconfig",
+    ".gitignore"
+]
+SPDX-FileCopyrightText = "2023-2025 ESTKME TECHNOLOGY LIMITED, Hong Kong"
+SPDX-License-Identifier = "MIT"
+
+[[annotations]]
+path = ["cjson/**"]
+SPDX-FileCopyrightText = "2009-2017 Dave Gamble and cJSON contributors"
+SPDX-FileContributor = [
+    "ESTKME TECHNOLOGY LIMITED, Hong Kong",
+    "Celeste Liu"
+]
+SPDX-License-Identifier = "MIT"
+
+[[annotations]]
+path = ["dlfcn-win32/**"]
+SPDX-FileCopyrightText = "2007 Ramiro Polla"
+SPDX-FileContributor = [
+    "ESTKME TECHNOLOGY LIMITED, Hong Kong",
+    "Celeste Liu",
+    "IcedTangerine",
+    "Yegor Yefremov"
+]
+SPDX-License-Identifier = "MIT"