JFWEB-2 Rewrite web UI in Alpine

.idea/codeStyles/Project.xml

.idea/runConfigurations/go_build_jinya_fonts_serve.xml

admin/router.go

admin/web/index.go

admin/web/router.go

admin/web/tmpl/index.gohtml

app.go

go.mod

go.sum

static/admin/css/login.css

static/admin/css/page.css

static/admin/index.js

static/admin/js/font/page.js

static/admin/js/login/index.js

static/admin/langs/messages.de.json

static/admin/langs/messages.en.json

static/admin/templates/authentication/login.html

static/admin/templates/font/page.html

static/img/background-dark.webp

static/img/background.webp