Add large TOML file for benchmarking (#285)

Author: dduan

Benchmarks/TOMLDecoderBenchmarks/Benchmarks.swift

@@ -40,6 +40,10 @@ let benchmarks: @Sendable () -> Void = {
         benchmark.startMeasurement()
         try blackHole(decoder.decode(TwitterArchive.self, from: Resources.twitterTOMLString))
     }
+
+    Benchmark("parse GitHub events archive") { _ in
+        try blackHole(TOMLTable(source: Resources.eventArchiveTOMLString))
+    }
 }
 
 let tomlIOTOML = """

Sources/Resources/Resources.swift

@@ -15,4 +15,8 @@ public enum Resources {
     public static var canadaTOMLString: String {
         stringContent(forResource: "canada.toml")
     }
+
+    public static var eventArchiveTOMLString: String {
+        stringContent(forResource: "github-events-archive.toml")
+    }
 }