Add new DCO licenses

Signed-off-by: Philippe Ombredanne <[email protected]>

Author: pombredanne

src/licensedcode/data/licenses/dco-1.0.LICENSE

@@ -0,0 +1,39 @@
+---
+key: dco-1.0
+short_name: DCO 1.0
+name: Developer Certificate of Origin 1.0
+category: CLA
+owner: Linux Foundation
+homepage_url: https://developercertificate.org/
+spdx_license_key: LicenseRef-scancode-dco-1.0
+text_urls:
+    - https://developercertificate.org/
+other_urls:
+    - https://github.com/nexB/scancode-toolkit/issues/3038#issuecomment-1317511139
+minimum_coverage: 90
+---
+
+Developer's Certificate of Origin 1.0
+
+By making a contribution to this project, I certify that:
+
+1. The contribution was created in whole or in part by me and I
+   have the right to submit it under the open source license
+   indicated in the file LICENSE; or
+
+2. The contribution is based upon previous work that, to the best
+   of my knowledge, is covered under an appropriate open source
+   license and I have the right under that license to submit that
+   work with modifications, whether created in whole or in part
+   by me, under the same open source license (unless I am
+   permitted to submit under a different license), as indicated
+   in the file LICENSE; or
+
+3. The contribution was provided directly to me by some other
+   person who certified (1), (2) or (3) and I have not modified
+   it.
+
+4. I understand and agree that this project and the contribution
+   are public and that a record of the contribution (including all
+   personal information I submit with it, including my sign-off) is
+   maintained indefinitely and may be redistributed consistent

src/licensedcode/data/licenses/samba-dco-1.0.LICENSE

@@ -0,0 +1,51 @@
+---
+key: samba-dco-1.0
+short_name: Samba Developer's Declaration, Version 1.0
+name: Samba Developer's Declaration, Version 1.0
+category: CLA
+owner: Samba
+homepage_url: https://github.com/samba-team/samba/blob/master/README.contributing
+spdx_license_key: LicenseRef-scancode-samba-dco-1.0
+text_urls:
+    - https://github.com/samba-team/samba/blob/master/README.contributing
+minimum_coverage: 80
+ignorable_urls:
+    - http://www.gnu.org/licenses/gpl-3.0.html
+    - http://www.gnu.org/licenses/lgpl-3.0.html
+---
+
+Samba Developer's Declaration, Version 1.0
+
+By making a contribution to this project, I certify that:
+
+(a) The contribution was created in whole or in part by me and I
+    have the right to submit it under the appropriate
+    version of the GNU General Public License; or
+
+(b) The contribution is based upon previous work that, to the best
+    of my knowledge, is covered under an appropriate open source
+    license and I have the right under that license to submit that
+    work with modifications, whether created in whole or in part
+    by me, under the GNU General Public License, in the
+    appropriate version; or
+
+(c) The contribution was provided directly to me by some other
+    person who certified (a) or (b) and I have not modified
+    it.
+
+(d) I understand and agree that this project and the
+    contribution are public and that a record of the
+    contribution (including all metadata and personal
+    information I submit with it, including my sign-off) is
+    maintained indefinitely and may be redistributed
+    consistent with the Samba Team's policies and the
+    requirements of the GNU GPL where they are relevant.
+
+(e) I am granting this work to this project under the terms of both
+    the GNU General Public License and the GNU Lesser General Public
+    License as published by the Free Software Foundation; either version
+    3 of these Licenses, or (at the option of the project) any later
+    version.
+
+    http://www.gnu.org/licenses/gpl-3.0.html
+    http://www.gnu.org/licenses/lgpl-3.0.html