refactor(error_display): generic display method for error types

this is to better support ariadne in the future

src/error_display.rs

@@ -0,0 +1,26 @@
+use crate::{
+    command::CommandParseError, meta_commands::MetaCommandParseError,
+    statements::StatementParseError,
+};
+
+pub trait OSDBError {
+    fn display(&self);
+}
+
+impl OSDBError for MetaCommandParseError {
+    fn display(&self) {
+        println!("{self}")
+    }
+}
+
+impl OSDBError for StatementParseError {
+    fn display(&self) {
+        println!("{self}")
+    }
+}
+
+impl OSDBError for CommandParseError {
+    fn display(&self) {
+        println!("{self}")
+    }
+}