move architecture from research into architecture.md and update ppu design files

1 files changed, 1 insertions, 1 deletions

diff --git a/assets/ppu-level-1.svg b/assets/ppu-level-1.svg
index 2770d7d..e0d1949 100644
--- a/assets/ppu-level-1.svg
+++ b/assets/ppu-level-1.svg
@@ -1,3 +1,3 @@
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