docs: add OpCodes browser sample

linqpad-samples/Examples/FileOrder.txt

@@ -1,3 +1,4 @@
 Auto Charter.linq
 Spritesheet Cutter.linq
-Loan Balance Calculator.linq
+Loan Balance Calculator.linq
+OpCode Browser.linq

linqpad-samples/Examples/OpCode Browser.linq

@@ -0,0 +1,42 @@
+<Query Kind="Program">
+  <Reference Relative="..\..\..\..\Source\Repos\linqpad-dump-editable\src\DumpEditable\bin\Debug\net47\LINQPad.DumpEditable.dll">C:\Users\rdavis\Source\Repos\linqpad-dump-editable\src\DumpEditable\bin\Debug\net47\LINQPad.DumpEditable.dll</Reference>
+  <Namespace>LINQPad.DumpEditable</Namespace>
+  <Namespace>System.Reflection.Emit</Namespace>
+</Query>
+
+void Main()
+{
+	EditableDumpContainer.DefaultOptions.StringBasedEditor = 
+		Editors.TextBoxBasedStringEditor(liveUpdates: true);
+
+	var filter = new OpCodeFilter().DumpEditable(out var editor);
+	var opcodes = new DumpContainer().Dump();
+	var selectedOpcode = new DumpContainer() { DumpDepth = 2 }.Dump();
+
+	var filteredOpcodes = 
+		AllOpCodes
+			.Where(filter.Matches)
+			.Select(o => new Hyperlinq(() => selectedOpcode.Content = o, o.Name));
+
+	editor.OnChanged += () => opcodes.Content = Util.HorizontalRun(true, filteredOpcodes);
+	editor.OnChanged();
+}
+
+public IEnumerable<OpCode> AllOpCodes
+	=> typeof(OpCodes)
+			.GetFields(BindingFlags.Static | BindingFlags.Public | BindingFlags.Default)
+			.Select(f => (OpCode) f.GetValue(null));
+
+public class OpCodeFilter
+{
+	public string Name { get; set; }
+	public OpCodeType? OpCodeType { get; set; }
+	public FlowControl? FlowControl { get; set; }
+	public OperandType? OperandType{ get; set; }
+
+	public bool Matches(OpCode o)
+		=> (String.IsNullOrWhiteSpace(Name) || o.Name.ToLower().Contains(Name.ToLower()))
+		&& (OpCodeType is null || o.OpCodeType == OpCodeType)
+		&& (FlowControl is null || o.FlowControl == FlowControl)
+		&& (OperandType is null || o.OperandType == OperandType);
+}