Prep for Release v2.1.1

.editorconfig

@@ -11,5 +11,5 @@ end_of_line = lf
 insert_final_newline = true
 trim_trailing_whitespace = true
 
-[*.md]
-trim_trailing_whitespace = false
+[*.{yml,yaml}]
+indent_size = 2

.github/workflows/deptrac.yml

@@ -0,0 +1,73 @@
+name: Deptrac
+
+on:
+  pull_request:
+    branches:
+      - develop
+    paths:
+      - '**.php'
+      - 'composer.*'
+      - 'depfile.yaml'
+      - '.github/workflows/deptrac.yml'
+  push:
+    branches:
+      - develop
+    paths:
+      - '**.php'
+      - 'composer.*'
+      - 'depfile.yaml'
+      - '.github/workflows/deptrac.yml'
+
+jobs:
+  build:
+    name: Dependency Tracing
+    runs-on: ubuntu-latest
+    if: "!contains(github.event.head_commit.message, '[ci skip]')"
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+
+      - name: Set up PHP
+        uses: shivammathur/setup-php@v2
+        with:
+          php-version: '8.1'
+          tools: phive
+          extensions: intl, json, mbstring, xml
+          coverage: none
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Get composer cache directory
+        id: composer-cache
+        run: echo "::set-output name=dir::$(composer config cache-files-dir)"
+
+      - name: Cache composer dependencies
+        uses: actions/cache@v3
+        with:
+          path: ${{ steps.composer-cache.outputs.dir }}
+          key: ${{ runner.os }}-composer-${{ hashFiles('**/composer.json') }}-${{ hashFiles('**/composer.lock') }}
+          restore-keys: ${{ runner.os }}-composer-
+
+      - name: Create Deptrac cache directory
+        run: mkdir -p build/
+
+      - name: Cache Deptrac results
+        uses: actions/cache@v3
+        with:
+          path: build
+          key: ${{ runner.os }}-deptrac-${{ github.sha }}
+          restore-keys: ${{ runner.os }}-deptrac-
+
+      - name: Install dependencies
+        run: |
+          if [ -f composer.lock ]; then
+            composer install --no-progress --no-interaction --prefer-dist --optimize-autoloader
+          else
+            composer update --no-progress --no-interaction --prefer-dist --optimize-autoloader
+          fi
+
+      - name: Trace dependencies
+        run: |
+          sudo phive --no-progress install --global --trust-gpg-keys B8F640134AB1782E,A98E898BB53EB748 qossmic/deptrac
+          deptrac analyze --cache-file=build/deptrac.cache

.github/workflows/phpcpd.yml

@@ -0,0 +1,36 @@
+name: PHPCPD
+
+on:
+  pull_request:
+    branches:
+      - develop
+    paths:
+      - '**.php'
+      - '.github/workflows/phpcpd.yml'
+  push:
+    branches:
+      - develop
+    paths:
+      - '**.php'
+      - '.github/workflows/phpcpd.yml'
+
+jobs:
+  build:
+    name: Code Copy-Paste Detection
+    runs-on: ubuntu-latest
+    if: "!contains(github.event.head_commit.message, '[ci skip]')"
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+
+      - name: Setup PHP
+        uses: shivammathur/setup-php@v2
+        with:
+          php-version: '8.1'
+          tools: phpcpd
+          extensions: dom, mbstring
+          coverage: none
+
+      - name: Detect duplicate code
+        run: phpcpd src/ tests/