conformance for insert lines with scroll region

conformance/csi_il.zig

@@ -0,0 +1,17 @@
+//! Insert Line (IL) - Esc [ L
+const std = @import("std");
+
+pub fn main() !void {
+    const stdout = std.io.getStdOut().writer();
+    try stdout.print("\x1B[2J", .{}); // clear screen
+    try stdout.print("\x1B[1;1H", .{}); // set cursor position
+    try stdout.print("A\nB\nC\nD\nE", .{});
+    try stdout.print("\x1B[1;2r", .{}); // set scroll region
+    try stdout.print("\x1B[1;1H", .{}); // set cursor position
+    try stdout.print("\x1B[1L", .{}); // insert lines
+    try stdout.print("X", .{});
+    try stdout.print("\x1B[7;1H", .{}); // set cursor position
+
+    // const stdin = std.io.getStdIn().reader();
+    // _ = try stdin.readByte();
+}