feat: Add landscape mesh support to MshConverter

- Auto-detect Model vs Landscape mesh types
- Model: uses indexed triangles (06, 0D, 07)
- Landscape: uses direct triangles (0B, 15)
- Add MSH_FORMAT.md documentation (Russian)
- Add Ghidra decompiled code for CLandscape

ParkanPlayground/Program.cs

@@ -0,0 +1,33 @@
+using ParkanPlayground;
+
+// ========== MSH CONVERTER TEST - AUTO-DETECTING MODEL VS LANDSCAPE ==========
+
+var converter = new MshConverter();
+
+// Test with landscape
+Console.WriteLine("=".PadRight(60, '='));
+converter.Convert(
+    @"C:\Program Files (x86)\Nikita\Iron Strategy\DATA\MAPS\SC_1\Land.msh",
+    "landscape_lod0.obj",
+    lodLevel: 0
+);
+
+Console.WriteLine();
+
+// Test with landscape LOD 1 (lower detail)
+Console.WriteLine("=".PadRight(60, '='));
+converter.Convert(
+    @"C:\Program Files (x86)\Nikita\Iron Strategy\DATA\MAPS\SC_1\Land.msh",
+    "landscape_lod1.obj",
+    lodLevel: 1
+);
+
+Console.WriteLine();
+
+// Test with model
+Console.WriteLine("=".PadRight(60, '='));
+converter.Convert(
+    @"E:\ParkanUnpacked\fortif.rlb\133_fr_m_bunker.msh",
+    "bunker_lod0.obj",
+    lodLevel: 0
+);