chore: add more tests, fix issues with import types, cleanup doom example

Signed-off-by: Henry <mail@henrygressmann.de>

Author: explodingcamera

.cargo/config.toml

@@ -6,6 +6,7 @@ test-wasm-3="test --package tinywasm --test test-wasm-3 --release"
 test-wast="test --package tinywasm --test test-wast"
 test-wasm-custom="test --package tinywasm --test test-wasm-custom --release"
 cli="run -p tinywasm-cli --bin tinywasm --release --"
+doom="run --manifest-path ./examples/doom/Cargo.toml --release --"
 
 [target.x86_64-unknown-linux-gnu]
 rustflags=["-C", "target-cpu=x86-64-v3"]

.gitignore

@@ -1,12 +1,9 @@
 /target
 notes.md
-examples/rust/out/*
-examples/rust/target
-examples/rust/Cargo.lock
-examples/doom/out/*
-!examples/doom/out/.gitkeep
+examples/*/out/*
+examples/*/target
+examples/*/Cargo.lock
 examples/doom/upstream/
-examples/doom/out/runtime/
 *.wad
 *.WAD
 examples/wast/*