Take care of reserved project names

In 8.15 we reserved some project names to make our routing system reliable. But some of those names were already used by projects and we need to migrate those projects now. I made a table with reserved names and decision on each name

name action
.well-known rename
admin whitelisted
all rename
assets rename -> whitelist
ci whitelisted
dashboard whitelisted
files rename
groups rename
help whitelisted
hooks rename
issues rename
merge_requests rename
new rename
notes whitelisted
profile rename -> whitelist
projects rename
public rename -> whitelist
repository rename
robots.txt rename
s rename
search whitelisted
services whitelisted
snippets rename
teams rename
u rename
unsubscribes rename
users rename
name action
tree rename
commits rename
wikis rename
new rename
edit rename
create rename
update rename
logs_tree rename
preview rename
blob rename
blame rename
raw rename
files rename
create_dir rename
find_file rename

Fixes https://gitlab.com/gitlab-org/gitlab-ce/issues/25893