Jaeger authentication (Login view)

[shaykeren]

This is the working page (basic html+js):
https://github.com/digma-ai/helm-chart/blob/jaeger-security-proxy/src/digma/embedded-jaeger-proxy-files/login-page.html

Design:
https://www.figma.com/design/LWTvpodwOga7qiRmGwPCcj/Digma-Website?node-id=3393-67372&node-type=frame&t=FIn3rUtR1tgsPOYo-11

Please tell @asafchen-dig, when this is done to test and merge it.