feat: Rust port (#2)

Rust port of the bash script. I also added the possibility of using a
config file and a opt-in way of controlling the betterlockscreen
wallpaper change

.github/workflows/audit.yml

@@ -0,0 +1,16 @@
+name: Security audit
+on:
+  schedule:
+    - cron: "0 0 * * *"
+  push:
+    paths:
+      - "**/Cargo.toml"
+      - "**/Cargo.lock"
+jobs:
+  security_audit:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: taiki-e/install-action@cargo-deny
+      - name: Scan for vulnerabilities
+        run: cargo deny check advisories

.github/workflows/rust.yml

@@ -0,0 +1,46 @@
+name: Rust
+on:
+  push:
+  pull_request:
+
+env:
+  CARGO_TERM_COLOR: always
+
+jobs:
+  test:
+    name: Test
+    runs-on: ubuntu-latest
+    steps:
+      - name: Check out repository code
+        uses: actions/checkout@v3
+
+      - name: Install the Rust toolchain
+        uses: dtolnay/rust-toolchain@stable
+
+      - name: Rust Cache Action
+        uses: Swatinem/rust-cache@v2
+
+      - name: Run tests
+        run: cargo test
+
+  fmt:
+    name: Rustfmt
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: dtolnay/rust-toolchain@stable
+        with:
+          components: rustfmt
+      - name: Enforce formatting
+        run: cargo fmt --check
+
+  lint:
+    name: lint
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: dtolnay/rust-toolchain@stable
+        with:
+          components: clippy
+      - name: Linting
+        run: cargo clippy -- -D warnings

.gitignore

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