[Merchants] BETA Check-Point (#60)

* Improvements to database connection handling, validation, login

* Fix database select default connection event emit

* Visual adjustments to login

* Add debug logging to client files importer

* Organize components, code structure

* Work to split up Merchants into separate components / cleanup

* Cleanup reordering logic

* Fix reordering logic

* Update MerchantEdit.vue

* Update DbConnectionStatusPill.vue

* Update Login.vue

* Update Merchants.vue

* Update MerchantlistEntryEdit.vue

* Content flag selector component

* Use content flag store

* Implement content expansion selector

* Expansion re-render component

* Add classes to merchant list entry selection

* Update MerchantlistEntryEdit.vue

* Full pagination support - integrate into merchants

* Quick fixes

* Navbar icon alignment

* Update Navbar.vue

* Add range slider to probability

* Fix components page issue with augment type affecting special abilities