calculate hot and trends only for not paid posts

See merge request !141

one view for notifications

See merge request !140

adds table view for dynamic notifies
speeds up notifies queries
limits notifiaction only for 90 days before the head block

find_votes and list_votes fixes

See merge request !137

fixed bug introduced in previous MR - bridge_get_ranked_post_by_trends had random order within the same trend power, order by id was missing

faster bridge get trending for develop

See merge request !133

The call `get_accounts` is not supported by hivemind anymore

See merge request !118

vote related views/types/functions extended by id since database_api requires it
new SQL function to cover find_votes functionality
neither voter nor post is mandatory in list_votes calls
fixed internal _get_post_id in bridge_api
find_votes_impl no longer requires full context, just what it actually uses: db
find_votes_impl no longer checks passed arguments, only its official API version does
list_votes_impl removed, only its official version is needed
official API find_votes/list_votes now properly pack response in dictionary with 'votes' list

Load and execute sql script from file

See merge request !134

dynamically generated notifs

See merge request !123

The calls 'list_votes'/'find_votes' work

See merge request !129

Refactoring + `list_votes` sql function changed into `list_votes_by_voter_comment`/`list_votes_by_comment_voter`

Notifications about:
votes, reblogs, subscribe, replies, new communitiy
are dynamically generated

Blocks number are added for some tables.

During sync, massive-sync conditions (dropped indexes, FKs, tables switched to...

See merge request !128

During sync, massive-sync conditions (dropped indexes, FKs, tables switched to UNLOGGED mode) are effective only if number of blocks to be synced is greather than specified limit.
Added runtime configuration of `work_mem` parameter during `after_initial_sync` hooks execution.

Prerequisuites to Reputation api support

See merge request !121

Enabled concurrent flush of Follow objects.

update in CI - tags_api has negative group, while old .yaml is no longer present

See merge request !126

Follow data shall be flushed also from Blocks.process level which is used at...

See merge request !125