Start a Jetty webserver to serve the given handler according to the
supplied options:

:configurator           - a function called with the Jetty Server instance
:async?                 - if true, treat the handler as asynchronous
:async-timeout          - async context timeout in ms
                          (defaults to 0, no timeout)
:async-timeout-handler  - an async handler to handle an async context timeout
:port                   - the port to listen on (defaults to 80)
:host                   - the hostname to listen on
:unix-socket            - the unix domain socket path to listen on
:join?                  - blocks the thread until server ends
                          (defaults to true)
:daemon?                - use daemon threads (defaults to false)
:http?                  - listen on :port for HTTP traffic (defaults to true)
:ssl?                   - allow connections over HTTPS
:ssl-port               - the SSL port to listen on (defaults to 443, implies
                          :ssl? is true)
:ssl-context            - an optional SSLContext to use for SSL connections
:sni-host-check?        - use SNI to check the hostname (default true)
:exclude-ciphers        - when :ssl? is true, additionally exclude these
                          cipher suites
:exclude-protocols      - when :ssl? is true, additionally exclude these
                          protocols
:replace-exclude-ciphers?   - when true, :exclude-ciphers will replace rather
                              than add to the cipher exclusion list (defaults
                              to false)
:replace-exclude-protocols? - when true, :exclude-protocols will replace
                              rather than add to the protocols exclusion list
                              (defaults to false)
:keystore               - the keystore to use for SSL connections
:keystore-type          - the keystore type (default jks)
:key-password           - the password to the keystore
:keystore-scan-interval - if not nil, the interval in seconds to scan for an
                          updated keystore
:thread-pool            - custom thread pool instance for Jetty to use
:truststore             - a truststore to use for SSL connections
:trust-password         - the password to the truststore
:max-threads            - the maximum number of threads to use (default 50)
:min-threads            - the minimum number of threads to use (default 8)
:max-queued-requests    - the maximum number of requests to be queued
:thread-idle-timeout    - Set the maximum thread idle time. Threads that are
                          idle for longer than this period may be stopped
                          (default 60000)
:max-idle-time          - the maximum idle time in milliseconds for a
                          connection (default 200000)
:client-auth            - SSL client certificate authenticate, may be set to
                          :need,:want or :none (defaults to :none)
:send-date-header?      - add a date header to the response (default true)
:output-buffer-size     - the response body buffer size (default 32768)
:request-header-size    - the maximum size of a request header (default 8192)
:response-header-size   - the maximum size of a response header (default 8192)
:send-server-version?   - add Server header to HTTP response (default true)