Set up CI

.github/workflows/ci.yml

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+name: CI
+on: [push, pull_request]
+
+jobs:
+  native_build:
+    name: Native build
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions-rs/toolchain@v1
+        with:
+          toolchain: stable
+      - run: cargo check
+
+  web_build:
+    name: Web build
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions-rs/toolchain@v1
+        with:
+          toolchain: nightly
+          target: wasm32-unknown-unknown
+          components: rust-src
+      - run: RUSTFLAGS="--cfg=web_sys_unstable_apis" cargo +nightly check -Zbuild-std --target wasm32-unknown-unknown
+
+  cargo-deny:
+    runs-on: ubuntu-22.04
+    steps:
+    - uses: actions/checkout@v3
+    - uses: EmbarkStudios/cargo-deny-action@v1

deny.toml

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+[advisories]
+vulnerability = "deny"
+unmaintained = "deny"
+notice = "deny"
+unsound = "deny"
+
+[bans]
+multiple-versions = "deny"
+
+[sources]
+unknown-registry = "deny"
+unknown-git = "deny"
+
+[licenses]
+unlicensed = "deny"
+allow-osi-fsf-free = "neither"
+copyleft = "deny"
+# We want really high confidence when inferring licenses from text
+confidence-threshold = 0.93
+allow = [
+    "Apache-2.0",
+    "Apache-2.0 WITH LLVM-exception",
+    "MIT",
+    "MPL-2.0",
+    "BSD-3-Clause",
+    "ISC",
+]