v2.6.3

- `New` Caching for albums (Thanks @r0x0r, #232)
- `New` Preload next photo (Thanks @r0x0r, #185, #232)
- `New` Save scroll position of albums (Thanks @r0x0r, #232)
- `New` Added Dockerfile (@renfredxh, #236)
- `Improved` Newest album on the top (Thanks @r0x0r, #232)
- `Fixed` Login in private mode (Safari)
- `Fixed` Drag & Drop with open photo
- `Fixed` Wrong modified date of the photo files
- `Fixed` Search function always returned all photos (Thanks @powentan, #234)