feature: multiple small fixes and updates

package-lock.json

package.json

src/images/alien.svg

src/images/alien.webp

src/styles/content/_index.scss

src/styles/header/_index.scss

src/styles/index.scss

src/styles/left-nav/_index.scss

src/views/page-dashboard.pug

src/views/partials/admin/page-admin-circles-create.pug

src/views/partials/admin/page-admin-circles.pug

src/views/partials/admin/page-admin-communities.pug

src/views/partials/admin/page-admin-projects-create.pug

src/views/partials/admin/page-admin-projects.pug

src/views/partials/admin/page-admin-users-create.pug

src/views/partials/circle/page-circle-edit.pug

src/views/partials/circle/page-circle-profile.pug

src/views/partials/header.pug

src/views/partials/menu-left.pug

src/views/partials/notifications/message-circle.pug