chore(reuse): migrate config to dep5 format and add missing SPDX headers

[MyLeeJiEun]

1. Migrate REUSE configuration from REUSE.toml to .reuse/dep5 (DEP5 format)
2. Add SPDX-FileCopyrightText and SPDX-License-Identifier headers to mfasequencecontrol source files

Log: Migrate REUSE config to DEP5 format and add SPDX headers to MFA sequence control files

chore(reuse): 迁移 REUSE 配置为 dep5 格式并补充缺失的 SPDX 头

1. 将 REUSE 配置从 REUSE.toml 迁移至 .reuse/dep5（DEP5 格式）
2. 为 mfasequencecontrol 源文件添加 SPDX-FileCopyrightText 和 SPDX-License-Identifier 头

Log: 将 REUSE 配置迁移为 DEP5 格式，并补充 MFA 序列控制文件的 SPDX 头

Summary by Sourcery

Migrate REUSE licensing configuration to the DEP5 format and add missing SPDX license headers to MFA sequence control sources.

Chores:

• Replace REUSE.toml configuration with a .reuse/dep5 DEP5-format configuration file.
• Add SPDX copyright and license identifier headers to mfasequencecontrol source and header files.

[deepin-ci-robot]

Hi @MyLeeJiEun. Thanks for your PR.

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[sourcery-ai]

Reviewer's guide (collapsed on small PRs)

Reviewer's Guide

Migrates the project’s REUSE licensing configuration from REUSE.toml to a new .reuse/dep5 file in DEP5 format and adds missing SPDX copyright and license headers to the MFA sequence control implementation and header files.

File-Level Changes

Change	Details	Files
Add SPDX copyright and license headers to MFA sequence control source files.	Inserted SPDX-FileCopyrightText comment at the top of the mfasequencecontrol implementation file. Inserted SPDX-License-Identifier comment at the top of the mfasequencecontrol implementation file. Inserted SPDX-FileCopyrightText comment at the top of the mfasequencecontrol header file. Inserted SPDX-License-Identifier comment at the top of the mfasequencecontrol header file.	src/session-widgets/mfasequencecontrol.cpp src/session-widgets/mfasequencecontrol.h
Migrate REUSE configuration from TOML to DEP5 format.	Removed legacy REUSE.toml configuration file from the repository. Added new .reuse/dep5 file to hold REUSE configuration in DEP5 format (content not shown in diff, but file is introduced).	REUSE.toml .reuse/dep5

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Hey - I've reviewed your changes and they look great!

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[deepin-ci-robot]

[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by: BLumia, MyLeeJiEun

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Details

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• debian/deepin/OWNERS

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[MyLeeJiEun]

/merge