update 03ac28b

Author: GHA

.nojekyll

@@ -0,0 +1,17 @@
+## :copyright: Image License and Copyright Notifications
+
+Figures are own work if not otherwise stated; see the
+[project's license](https://github.com/stnolting/neorv32/blob/main/LICENSE).
+No copyright infringement intended.
+
+- `SPI_timing_diagram2.wikimedia.png`
+  - source: https://en.wikipedia.org/wiki/File:SPI_timing_diagram2.svg
+  - license: Creative Commons: https://en.wikipedia.org/wiki/Creative_Commons, Attribution-Share Alike 3.0 Unported: https://creativecommons.org/licenses/by-sa/3.0/deed.en
+
+- `riscv_logo.png` and `riscv_logo_small.png`
+  - source: https://riscv.org/risc-v-logo/
+  - license: https://riscv.org/about/risc-v-branding-guidelines/
+
+- `neorv32_logo_smcard.jpg`
+  - source: background image by https://pixabay.com
+  - license: Pixabay license