Add Basic CI (Build) for Stylus Hello World Minimal

.github/workflows/wasm.yml

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+name: linux
+on:
+  push:
+    branches:
+      - master
+  pull_request:
+  workflow_dispatch:
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    name: (${{ matrix.target }}, ${{ matrix.cfg_release_channel }})
+    env:
+      CFG_RELEASE_CHANNEL: ${{ matrix.cfg_release_channel }}
+    strategy:
+      matrix:
+        target: [
+          wasm32-unknown-unknown
+        ]
+        cfg_release_channel: [nightly, stable]
+
+    steps:
+    - name: checkout
+      uses: actions/checkout@v3
+
+      # Run build
+    - name: install rustup
+      run: |
+        curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs > rustup-init.sh
+        sh rustup-init.sh -y --default-toolchain none
+        rustup target add ${{ matrix.target }}
+
+    - name: Build and Test
+      run: ./ci/build.sh

ci/build.sh

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+#!/bin/bash
+
+set -euo pipefail
+
+export RUSTFLAGS="-D warnings"
+export RUSTFMT_CI=1
+
+# Print version information
+rustc -Vv
+cargo -V
+
+# Build and test main crate
+cargo build --locked --all-features