Implement most loaded HTTP endpoints

[AMDmi3]

Endpoints with >1% http requests. HTML responses require a more work (such as template support), so will not be implemented in this issue.

%requests	Aggr endpoint	Prereqs	Done
16.17%	/api/v1/project		✔️
15.88%	/badge/version-for-repo	#3 #4 #5	✔️
12.80%	/badge/vertical-allrepos	#3 #4 #5	✔️
12.21%	/tools/project-by
6.93%	/badge/tiny-repos	#3 #4	✔️
6.35%	/static		✔️
3.73%	/project/*/versions	#5	✔️
2.18%	/project/*/packages	#5
2.17%	/badge/latest-versions	#3 #4	✔️
1.51%	/project/*/information		✔️
1.22%	/projects/		✔️
1.06%	/badge/version-only-for-repo	#3 #4

[AMDmi3]

Addition, most heavy endpoints by cumulative response time (milliseconds/day). These include both database time, scheduling time and CPU time in backend, and we can cut the latter two.

Time	Endpoint	Done
2519603	/project/*/information	✔️
2407094	/tools/project-by
2314142	/project/*/packages
2121340	/project/*/versions	✔️
1346715	/project/*/related
1142128	/api/v1/project	✔️
987856	/
966614	/projects/	✔️
930114	/projects/a/	✔️
643138	/tools/trending