fix: update CLA to clarify legal right to submit

Author: teetow

src/pages/CLA.md

@@ -37,7 +37,7 @@ Trivial patches like spelling fixes or missing words won’t require an agreemen
 
 - You grant MUSECY SM LTD, an affiliate of MuseScore and Ultimate Guitar, (“Company”) the ability to use the Contributions in any way. You hereby grant to Company , a perpetual, non-exclusive, worldwide, fully paid-up, royalty free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute your Contribution and such derivative works.
 - You are able to grant Company these rights. You represent that You are legally entitled to grant the above license. If Your employer has rights to intellectual property that You create, You represent that You have received permission to make the Contributions on behalf of that employer, or that Your employer has waived such rights for the Contributions.
-- The Contributions are your original work. You represent that the Contributions are Your original works of authorship, and to Your knowledge, no other person claims, or has the right to claim, any right in any invention or patent related to the Contributions. You also represent that You are not legally obligated, whether by entering into an agreement or otherwise, in any way that conflicts with the terms of this license. For example, if you have signed an agreement requiring you to assign the intellectual property rights in the Contributions to an employer or customer, that would conflict with the terms of this license.
+- You represent that you have the legal right to submit the Contributions and to grant the rights described in this license. To the best of your knowledge, the Contributions do not infringe or misappropriate any third-party intellectual property rights, including any patent or invention rights. You further represent that you are not subject to any legal obligation - whether by agreement, employment, or otherwise - that would conflict with the terms of this license. For example, if you are required to assign intellectual property rights in the Contributions to an employer or customer, that would conflict with this license.
 - Company determines the code that is in the Company project. You understand that the decision to include the Contribution in any project or source repository is entirely that of Company, and this agreement does not guarantee that the Contributions will be included in any product.
 - No Implied Warranties. Company acknowledges that, except as explicitly described in this Agreement, the Contribution is provided on an “AS IS” BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING, WITHOUT LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT, MERCHANTABILITY, OR FITNESS FOR A PARTICULAR PURPOSE.