feat: extract ethereum-forks as standalone crate

.github/workflows/ci.yml

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+name: CI
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+
+env:
+  CARGO_TERM_COLOR: always
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
+  cancel-in-progress: true
+
+jobs:
+  test:
+    name: test ${{ matrix.rust }} ${{ matrix.flags }}
+    runs-on: ubuntu-latest
+    timeout-minutes: 30
+    strategy:
+      fail-fast: false
+      matrix:
+        rust: ["stable", "beta", "nightly", "1.81"] # MSRV
+        flags: ["--no-default-features", "", "--all-features"]
+    steps:
+      - uses: actions/checkout@v4
+      - uses: dtolnay/rust-toolchain@master
+        with:
+          toolchain: ${{ matrix.rust }}
+      - uses: Swatinem/rust-cache@v2
+        with:
+          cache-on-failure: true
+      - name: build
+        run: cargo build --workspace ${{ matrix.flags }}
+      - name: test
+        if: ${{ matrix.rust != '1.81' }} # MSRV
+        run: cargo test --workspace ${{ matrix.flags }}
+
+  check-no-std:
+    name: check no_std ${{ matrix.features }}
+    runs-on: ubuntu-latest
+    timeout-minutes: 30
+    steps:
+      - uses: actions/checkout@v4
+      - uses: dtolnay/rust-toolchain@stable
+        with:
+          targets: riscv32imac-unknown-none-elf
+      - run: cargo check --target riscv32imac-unknown-none-elf --no-default-features
+
+  feature-checks:
+    runs-on: ubuntu-latest
+    timeout-minutes: 30
+    steps:
+      - uses: actions/checkout@v4
+      - uses: dtolnay/rust-toolchain@stable
+      - uses: taiki-e/install-action@cargo-hack
+      - uses: Swatinem/rust-cache@v2
+        with:
+          cache-on-failure: true
+      - name: cargo hack
+        run: cargo hack check --feature-powerset --depth 2
+
+  clippy:
+    runs-on: ubuntu-latest
+    timeout-minutes: 30
+    steps:
+      - uses: actions/checkout@v4
+      - uses: dtolnay/rust-toolchain@clippy
+      - uses: Swatinem/rust-cache@v2
+        with:
+          cache-on-failure: true
+      - run: cargo clippy --workspace --all-targets --all-features
+        env:
+          RUSTFLAGS: -Dwarnings
+
+  docs:
+    runs-on: ubuntu-latest
+    timeout-minutes: 30
+    steps:
+      - uses: actions/checkout@v4
+      - uses: dtolnay/rust-toolchain@nightly
+      - uses: Swatinem/rust-cache@v2
+        with:
+          cache-on-failure: true
+      - name: Build documentation
+        run: cargo doc --workspace --all-features --no-deps --document-private-items
+        env:
+          RUSTDOCFLAGS: --cfg docsrs -D warnings -Zunstable-options --show-type-layout --generate-link-to-definition
+
+  fmt:
+    runs-on: ubuntu-latest
+    timeout-minutes: 30
+    steps:
+      - uses: actions/checkout@v4
+      - uses: dtolnay/rust-toolchain@nightly
+        with:
+          components: rustfmt
+      - run: cargo fmt --all --check
+
+  deny:
+    uses: ithacaxyz/ci/.github/workflows/deny.yml@main

.gitignore

@@ -0,0 +1 @@
+/target