* docs: Create new CODING_GUIDELINES doc
Rids excess contribution instructions from other packages
Adds AGENTS.md file for the AI overlords
Rids unused templates
Updates ADD_NEW_EXCHANGE.md with minor fixes
* docs: Fix linter issues and minor adjustments based on Copilot feedback
* docs: Update coding guidelines for API parameters and testing practices
* docs: Remove redundant GoDoc references
Adds copilot-instructions.md
* docs: Update CODING_GUIDELINES with export recommendations and test commentary
* docs: Fix formatting inconsistencies in ADD_NEW_EXCHANGE.md links
* docs: Update struct naming conventions for request and response types
* docs: Improve clarity and consistency in ADD_NEW_EXCHANGE.md and CODING_GUIDELINES.md
* refactor: Simplify error handling in QueryOrder method
