Add MIT rule variant with attribution and no-endorsement clause

src/licensedcode/data/rules/mit_attribution_no_endorsement.RULE

@@ -0,0 +1,35 @@
+---
+license_expression: mit AND no-endorsement
+is_license_text: yes
+relevance: 100
+---
+
+Copyright 2025 Sinusoidal Systems AB
+
+{{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:
+
+1. {{The above copyright notice and this permission notice}} shall be included in
+   all copies or substantial portions of the Software.
+
+2. Redistributions of the Software in source or binary form must include an
+   attribution notice stating that the Software was originally developed by
+   Sinusoidal Systems AB, and may not in any way suggest that Sinusoidal Systems AB
+   endorses or is affiliated with the redistribution or derivative work without
+   prior written permission.
+
+3. Neither the name, trademarks, nor service marks of Sinusoidal Systems AB may be
+   used to endorse or promote products derived from this Software without specific
+   prior written permission.
+
+{{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.