Added static method for creating PawSQLiteErrors from other errors

src/pawsqlite_error.mjs

@@ -1,4 +1,10 @@
 export class PawSQLiteError extends Error {
+  static from(err) {
+    const p_err = new PawSQLiteError(err.toString());
+    p_err.cause = err;
+    return p_err;
+  }
+
   constructor(message) {
     super(message);
     this.name = "PawSQLiteError";