GitHub Flavored Markdown and native SwiftUI rendering

.gitignore

@@ -37,14 +37,14 @@ playground.xcworkspace
 # Swift Package Manager
 #
 # Add this line if you want to avoid checking in source code from Swift Package Manager dependencies.
-# Packages/
-# Package.pins
-# Package.resolved
+Packages/
+Package.pins
+Package.resolved
 # *.xcodeproj
 #
 # Xcode automatically generates this directory with a .xcworkspacedata file and xcuserdata
 # hence it is not needed unless you have added a package configuration file to your project
-# .swiftpm
+.swiftpm
 
 .build/
 
@@ -88,3 +88,5 @@ fastlane/test_output
 # https://github.com/johnno1962/injectionforxcode
 
 iOSInjectionProject/
+
+.DS_Store

.spi.yml

@@ -0,0 +1,4 @@
+version: 1
+builder:
+  configs:
+  - documentation_targets: [MarkdownUI]

.swiftpm/xcode/xcshareddata/xcschemes/MarkdownUI.xcscheme

@@ -20,13 +20,28 @@
                ReferencedContainer = "container:">
             </BuildableReference>
          </BuildActionEntry>
+         <BuildActionEntry
+            buildForTesting = "YES"
+            buildForRunning = "YES"
+            buildForProfiling = "YES"
+            buildForArchiving = "YES"
+            buildForAnalyzing = "YES">
+            <BuildableReference
+               BuildableIdentifier = "primary"
+               BlueprintIdentifier = "cmark-gfm"
+               BuildableName = "cmark-gfm"
+               BlueprintName = "cmark-gfm"
+               ReferencedContainer = "container:">
+            </BuildableReference>
+         </BuildActionEntry>
       </BuildActionEntries>
    </BuildAction>
    <TestAction
       buildConfiguration = "Debug"
       selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
       selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
-      shouldUseLaunchSchemeArgsEnv = "YES">
+      shouldUseLaunchSchemeArgsEnv = "YES"
+      codeCoverageEnabled = "YES">
       <Testables>
          <TestableReference
             skipped = "NO">