Introduce abp generate-razor-page command.

[maliming]

Close #20998

[github-actions]

Images automagically compressed by Calibre's image-actions ✨

Compression reduced images by 27.6%, saving 380.17 KB.

Filename	Before	After	Improvement	Visual comparison
docs/en/framework/ui/angular/images/angular-advanced-entity-filters-with-custom-content-above-filter.png	42.44 KB	35.24 KB	-17.0%	View diff
docs/en/framework/ui/angular/images/angular-advanced-entity-filters-with-form.png	38.34 KB	31.04 KB	-19.0%	View diff
docs/en/framework/ui/angular/images/angular-advanced-entity-filters-without-form.png	9.67 KB	7.70 KB	-20.4%	View diff
docs/en/framework/ui/angular/images/angular-advanced-entity-filters.png	47.40 KB	36.07 KB	-23.9%	View diff
docs/en/framework/ui/angular/images/manage-profile-page-new-tab.png	24.26 KB	21.05 KB	-13.2%	View diff
docs/en/framework/ui/angular/images/manage-profile-page.png	37.57 KB	31.28 KB	-16.7%	View diff
docs/en/images/abp-generate-razor-page.png	243.50 KB	142.27 KB	-41.6%	View diff
docs/en/images/abp-overall-diagram-1600.png	547.36 KB	407.21 KB	-25.6%	View diff
docs/en/images/abp-overall-diagram.png	386.96 KB	285.47 KB	-26.2%	View diff

2219 images did not require optimisation.