Update README with config settings and troubleshooting tips

Added configuration settings and notes on potential issues.

Author: damianjurkiewicz

README.md

@@ -48,17 +48,20 @@ Object info entries = 200
 
 ---
 
+
 ```ini
 Apply ID limit patch = 1
 ```
 
 ```ini
 FILE_TYPE_DFF = 50000
 ```
+(try lower values if it crashes, around 27000)
 
 ```ini
 FILE_TYPE_TXD = 60000
 ```
+(try lower values if it crashes)
 *Without it:* For some users, many props will be spawned twice. (visible when you run over a post or a fence)
 
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