migrate to github actions

.github/PULL_REQUEST_TEMPLATE.md

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+_[One line description of your change]_
+
+### Motivation:
+
+_[Explain here the context, and why you're making that change. What is the problem you're trying to solve.]_
+
+### Modifications:
+
+_[Describe the modifications you've done.]_
+
+### Result:
+
+- Resolves #
+- _[After your change, what will change.]_

.github/workflows/pull_request.yml

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+name: PR
+
+on:
+  pull_request:
+    types: [opened, reopened, synchronize]
+
+jobs:
+  soundness:
+    name: Soundness
+    uses: swiftlang/github-workflows/.github/workflows/soundness.yml@main
+    with:
+      license_header_check_project_name: "RediStack"
+
+  unit-tests:
+    name: Unit tests
+    uses: apple/swift-nio/.github/workflows/unit_tests.yml@main
+    with:
+      linux_5_9_arguments_override: "-Xswiftc -warnings-as-errors --explicit-target-dependency-import-check error"
+      linux_5_10_arguments_override: "-Xswiftc -warnings-as-errors --explicit-target-dependency-import-check error"
+      linux_6_0_arguments_override: "-Xswiftc -warnings-as-errors --explicit-target-dependency-import-check error -Xswiftc -require-explicit-sendable"
+      linux_nightly_6_0_arguments_override: "--explicit-target-dependency-import-check error -Xswiftc -require-explicit-sendable"
+      linux_nightly_main_arguments_override: "--explicit-target-dependency-import-check error -Xswiftc -require-explicit-sendable"

.github/workflows/pull_request_label.yml

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+name: PR label
+
+on:
+  pull_request:
+    types: [labeled, unlabeled, opened, reopened, synchronize]
+
+jobs:
+  semver-label-check:
+    name: Semantic Version label check
+    runs-on: ubuntu-latest
+    timeout-minutes: 1
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+        with:
+          persist-credentials: false
+      - name: Check for Semantic Version label
+        uses: apple/swift-nio/.github/actions/pull_request_semver_label_checker@main

.swift-format

@@ -0,0 +1,70 @@
+{
+
+
+   "version" : 1,
+   "indentation" : {
+     "spaces" : 4
+   },
+   "tabWidth" : 4,
+   "fileScopedDeclarationPrivacy" : {
+     "accessLevel" : "private"
+   },
+   "spacesAroundRangeFormationOperators" : false,
+   "indentConditionalCompilationBlocks" : false,
+   "indentSwitchCaseLabels" : false,
+   "lineBreakAroundMultilineExpressionChainComponents" : false,
+   "lineBreakBeforeControlFlowKeywords" : false,
+   "lineBreakBeforeEachArgument" : true,
+   "lineBreakBeforeEachGenericRequirement" : true,
+   "lineLength" : 120,
+   "maximumBlankLines" : 1,
+   "respectsExistingLineBreaks" : true,
+   "prioritizeKeepingFunctionOutputTogether" : true,
+   "noAssignmentInExpressions" : {
+     "allowedFunctions" : [
+       "XCTAssertNoThrow",
+       "XCTAssertThrowsError"
+     ]
+   },
+   "rules" : {
+     "AllPublicDeclarationsHaveDocumentation" : false,
+     "AlwaysUseLiteralForEmptyCollectionInit" : false,
+     "AlwaysUseLowerCamelCase" : false,
+     "AmbiguousTrailingClosureOverload" : true,
+     "BeginDocumentationCommentWithOneLineSummary" : false,
+     "DoNotUseSemicolons" : true,
+     "DontRepeatTypeInStaticProperties" : true,
+     "FileScopedDeclarationPrivacy" : true,
+     "FullyIndirectEnum" : true,
+     "GroupNumericLiterals" : true,
+     "IdentifiersMustBeASCII" : true,
+     "NeverForceUnwrap" : false,
+     "NeverUseForceTry" : false,
+     "NeverUseImplicitlyUnwrappedOptionals" : false,
+     "NoAccessLevelOnExtensionDeclaration" : true,
+     "NoAssignmentInExpressions" : true,
+     "NoBlockComments" : true,
+     "NoCasesWithOnlyFallthrough" : true,
+     "NoEmptyTrailingClosureParentheses" : true,
+     "NoLabelsInCasePatterns" : true,
+     "NoLeadingUnderscores" : false,
+     "NoParensAroundConditions" : true,
+     "NoVoidReturnOnFunctionSignature" : true,
+     "OmitExplicitReturns" : true,
+     "OneCasePerLine" : true,
+     "OneVariableDeclarationPerLine" : true,
+     "OnlyOneTrailingClosureArgument" : true,
+     "OrderedImports" : true,
+     "ReplaceForEachWithForLoop" : true,
+     "ReturnVoidInsteadOfEmptyTuple" : true,
+     "UseEarlyExits" : false,
+     "UseExplicitNilCheckInConditions" : false,
+     "UseLetInEveryBoundCaseVariable" : false,
+     "UseShorthandTypeNames" : true,
+     "UseSingleLinePropertyGetter" : false,
+     "UseSynthesizedInitializer" : false,
+     "UseTripleSlashForDocumentationComments" : true,
+     "UseWhereClausesInForLoops" : false,
+     "ValidateDocumentationComments" : false
+   }
+ }

.yamllint.yml

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+extends: default
+
+rules:
+  line-length: false
+  document-start: false
+  truthy:
+    check-keys: false  # Otherwise we get a false positive on GitHub action's `on` key