docs: update left-nav (#43964)
docs: update left-nav (#43964)

Update left-nav toc.

PR Close #43964

manekinekko/angular,brandonroberts/angular,shairez/angular,JiaLiPassion/angular,JiaLiPassion/angular,angular/angular,ocombe/angular,ocombe/angular,manekinekko/angular,JiaLiPassion/angular,gkalpak/angular,angular-indonesia/angular,gkalpak/angular,manekinekko/angular,manekinekko/angular,brandonroberts/angular,brandonroberts/angular,ocombe/angular,gnomeontherun/angular,angular/angular,brandonroberts/angular,JiaLiPassion/angular,angular-indonesia/angular,shairez/angular,shairez/angular,angular-indonesia/angular,brandonroberts/angular,angular/angular,shairez/angular,ocombe/angular,angular/angular,gnomeontherun/angular,manekinekko/angular,ocombe/angular,gnomeontherun/angular,angular-indonesia/angular,brandonroberts/angular,gnomeontherun/angular,gkalpak/angular,manekinekko/angular,gkalpak/angular,ocombe/angular,shairez/angular