chore(shared): create diagnostic error class

Author: BOCOVO

packages/shared/types/diagnostic.ts

@@ -0,0 +1,18 @@
+interface Range {
+  line: number;
+  column: number;
+}
+
+interface DiagnosticLocation {
+  start: Range;
+  end: Range;
+}
+
+export class DiagnosticError extends Error {
+  constructor(
+    public readonly location: DiagnosticLocation,
+    public readonly message: string,
+  ) {
+    super(message);
+  }
+}