Migrate to SQLite (#174)

* Migrating Fredy from LowDb to SqLite 🎉

* adding new sql migration system for future sql migrations

* adding setting to change  sqlite path for db files

* create migration plan for graceful migration lowdb -> sqlite

* Improving Documentation

* adding test for sqliteconnection

* upgrading dependencies

* making nodejs 22 as min version

* improve scraper

* adding overwrite ability for db migra

test/provider/einsAImmobilien.test.js

@@ -25,6 +25,7 @@ describe('#einsAImmobilien testsuite()', () => {
           expect(notify.size).to.be.a('string');
           expect(notify.title).to.be.a('string');
           expect(notify.link).to.be.a('string');
+          expect(notify.address).to.be.a('string');
           /** check the values if possible **/
           expect(notify.size).to.be.not.empty;
           expect(notify.title).to.be.not.empty;