Add KOReader option

.gitignore

@@ -8,7 +8,6 @@ kobopatch/
 # Kobopatch WASM build artifacts
 kobopatch-wasm/go/
 kobopatch-wasm/kobopatch-src/
-kobopatch-wasm/testdata/
 kobopatch-wasm/kobopatch.wasm
 kobopatch-wasm/wasm_exec.js
 
@@ -16,6 +15,7 @@ kobopatch-wasm/wasm_exec.js
 web/src/js/wasm_exec.js
 web/src/nickelmenu/NickelMenu.zip
 web/src/nickelmenu/kobo-config.zip
+web/src/koreader/
 
 # Build output
 web/dist/
@@ -23,6 +23,9 @@ web/dist/
 # Node
 web/node_modules/
 
+# Cached test assets (firmware, KOReader zips)
+tests/cached_assets/
+
 # E2E tests
 tests/e2e/node_modules/
 tests/e2e/test-results/