feat: add anordal/shellharden

[anordal/shellharden](https://github.com/anordal/shellharden): The corrective bash syntax highlighter

pkgs/anordal/shellharden/pkg.yaml

@@ -0,0 +1,4 @@
+packages:
+  - name: anordal/shellharden@v4.3.1
+  - name: anordal/shellharden
+    version: 4.3.0

pkgs/anordal/shellharden/registry.yaml

@@ -0,0 +1,33 @@
+packages:
+  - type: github_release
+    repo_owner: anordal
+    repo_name: shellharden
+    aliases:
+      # The registry had registered this name when this tool was first registered.
+      # https://github.com/aquaproj/aqua-registry/pull/13784
+      - name: crates.io/shellharden
+    description: The corrective bash syntax highlighter
+    version_constraint: "false"
+    version_overrides:
+      - version_constraint: semver("<= 4.3.0")
+        type: cargo
+        crate: shellharden
+      - version_constraint: "true"
+        asset: shellharden-{{.Arch}}-{{.OS}}.{{.Format}}
+        format: tar.gz
+        windows_arm_emulation: true
+        replacements:
+          amd64: x86_64
+          arm64: aarch64
+          darwin: apple-darwin
+          linux: unknown-linux-musl
+          windows: pc-windows-msvc
+        checksum:
+          type: github_release
+          asset: shellharden-{{.Arch}}-{{.OS}}.sha512
+          algorithm: sha512
+        overrides:
+          - goos: windows
+            format: zip
+            replacements:
+              arm64: arm64