Recfactored and simplified more code

- Added function to convert color string to ansi color string
- Added `trim` and `join` utility functions
- Added initial plugin test case
- Implemented `config get` command to see config properties
- Improved logging functionality and removed duplicate logging functions
- Removed unused functions
- Fixed more styling issues
- Fixed some CLI commands not working correctly
- Fixed CLI documentation format
- Fixed some error handling issues

include/error.hpp

@@ -29,8 +29,10 @@ namespace gdpm::constants::error{
 		INVALID_ARG_COUNT,
 		INVALID_CONFIG,
 		INVALID_KEY,
-		HTTP_RESPONSE_ERROR,
-		STD_ERROR
+		HTTP_RESPONSE_ERR,
+		SQLITE_ERR,
+		JSON_ERR,
+		STD_ERR
 	};
 
 	const string_list messages {