feat: add import/ directory for user database and config files

- Created import/db/ for custom SQL files
- Created import/conf/ for configuration overrides
- Added comprehensive README with usage examples
- Created example files for NPCs and playerbots config
- Updated import-database-files.sh to support new directory
- Maintains backward compatibility with database-import/
- Includes .gitignore to prevent accidental commits of sensitive data

import/conf/examples/playerbots.conf

@@ -0,0 +1,24 @@
+# Example Playerbots Configuration Override
+# Copy this file to import/conf/playerbots.conf and customize
+
+[worldserver]
+
+###################################################################################################
+# PLAYERBOTS SETTINGS
+###################################################################################################
+
+# Number of random bots
+AiPlayerbot.MinRandomBots = 100
+AiPlayerbot.MaxRandomBots = 200
+
+# Bot movement speed modifier (1.0 = normal speed)
+AiPlayerbot.BotActiveAlone = 1
+
+# Allow bots to form groups with players
+AiPlayerbot.AllowPlayerBots = 1
+
+# Bot gear update frequency (in seconds)
+AiPlayerbot.BotGearScoreUpdateTime = 600
+
+# Enable random bot login
+AiPlayerbot.EnableRandomBots = 1