Address PR comments

.github/workflows/swift-codestyle.yml

@@ -0,0 +1,24 @@
+name: Swift Codestyle
+
+on:
+  workflow_dispatch:
+  push:
+    branches: [ master ]
+    paths:
+      - '**/*.swift'
+  pull_request:
+    branches: [ master, 'v[0-9]+.[0-9]+' ]
+    paths:
+      - '**/*.swift'
+
+jobs:
+  check-switch-codestyle:
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v3
+
+    - name: Check swift codestyle
+      uses: norio-nomura/[email protected]
+      with:
+        args: lint --config res/.lint/swift/.swiftlint.yml --strict

res/.lint/swift/.swiftlint.yml

@@ -0,0 +1,10 @@
+disabled_rules:
+  - identifier_name
+  - function_body_length
+  - force_cast
+  - implicit_getter
+  - cyclomatic_complexity
+  - function_parameter_count
+excluded:
+  - ${PWD}/**/Pods
+  - ${PWD}/**/node_modules