Add support for yaml list as root element

Fixes #49

Author: kzu

src/Tests/Tests.cs

@@ -12,6 +12,23 @@
 
 public record Tests(ITestOutputHelper Output)
 {
+    [Fact]
+    public void CanParseYamlList()
+    {
+        var task = new YamlPeek
+        {
+            Content =
+                """
+                - name: Star Trek
+                  stuff: yes
+                - name: Star Wars
+                  stuff: no
+                """,
+        };
+
+        Assert.True(task.Execute());
+    }
+
     [Theory]
     [MemberData(nameof(GetTargets))]
     public void Run(string file, string name, bool failure = false, string? code = null)

src/YamlPeek/YamlPeek.cs

@@ -65,7 +65,7 @@ public override bool Execute()
         }).Deserialize(content);
 
         var json = JsonConvert.SerializeObject(data);
-        var jobj = JObject.Parse(json);
+        var jobj = JToken.Parse(json);
 
         Result = jobj.SelectTokens(Query)
             // NOTE: we cannot create items with empty ItemSpec, so skip them entirely.