HTTP/3: refactored dynamic table implementation. Previously dynamic table was not functional because of zero limit on its size set by default. Now the following changes enable it: - new directives to set SETTINGS_QPACK_MAX_TABLE_CAPACITY and SETTINGS_QPACK_BLOCKED_STREAMS - send settings with SETTINGS_QPACK_MAX_TABLE_CAPACITY and SETTINGS_QPACK_BLOCKED_STREAMS to the client - send Insert Count Increment to the client - send Header Acknowledgement to the client - evict old dynamic table entries on overflow - decode Required Insert Count from client - block stream if Required Insert Count is not reached

au BufRead,BufNewFile *.nginx set ft=nginx
au BufRead,BufNewFile */etc/nginx/* set ft=nginx
au BufRead,BufNewFile */usr/local/nginx/conf/* set ft=nginx
au BufRead,BufNewFile nginx.conf set ft=nginx