Issue #3484600 by anjali rathod, plopesc, finnsky, lauriii, m4olivei, ckrina, berdir, smustgrave, catch: Show entity information on the Top Bar

Issue #3484564 by plopesc, finnsky, m4olivei, ckrina, catch, larowlan: Define the 3 areas the Top Bar will provide

Issue #3409048 by finnsky, alexpott, longwave, bnjmnm, andypost, nod_: Configure postcss formatting after stylelint and stylelint-config-standard update

Issue #3438895 by finnsky, larowlan, plopesc, m4olivei, ckrina, mherchel, catch, alexpott, nod_, deviantintegral, jwitkowski79, nod_, jponch, jwitkowski79, rkoller, Ana Barcelona, YurkinPark, finnsky, javi-er, alvarito75, ctrlADel, AaronMcHale, Emma Horrell, akshayadhav, claireristow, baluv3, bronzehedwick, NikMis, deviantintegral, hot_sauce, kostyashupenko, gnuschichten, keyboardcowboy, gdd, silviu, Prashant.c, ehsann_95, pjudge, rkoller, Shreya_th, starshaped, bal krishna, meeni_dhobale, mherchel, johnpicozzi, chetan_, saschaeggi, markie, iro, abhishek_gupta, vensires, KurtTrowbridge, hooroomoo, Utkarsh_33, Svitlana, starshaped, KeyboardCowboy, benjifisher, ahsannazir, tim.plunkett, tedbow, flanneryla, Anandt846, Kanchan Bhogade, SKAUGHT, joaopauloc.dev, Silviu S., q0rban, rabbitlair, bnjmnm, Mithun S, Akhil Babu, gaurav_manerkar, dead_arm, YurkinPark, lauriii, sani, chetan 11, DieterHolvoet, Gábor Hojtsy, jwilson3, marcelreimer: Add the new Navigation to core as an Experimental module