l4d readme

bundles/left4dead2/README.md

@@ -1 +1,22 @@
 https://github.com/SirPlease/L4D2-Competitive-Rework/blob/master/Dedicated%20Server%20Install%20Guide/README.md
+
+```python
+    'tick60_maps': {
+        'port': 27030,
+        # add command line arguments
+        'arguments': ['-tickrate 60'],
+        # stack overlays, first is uppermost
+        'overlays': ['tickrate', 'standard'],
+        # server.cfg contents
+        'config': [
+            # configs from overlays are accessible via server_${overlay}.cfg
+            'exec server_tickrate.cfg',
+            # add more options
+            'sv_minupdaterate 101',
+            'sv_maxupdaterate 101',
+            'sv_mincmdrate 101',
+            'sv_maxcmdrate 101',
+            'sv_consistency 0',
+        ],
+    },
+```