[web] Update static_viewer addon.
[web] Update static_viewer addon.

When the addon is triggered, we first copy the static resource files to
the output dir, then load the `flows` file and dump json files.

ddworken/mitmproxy,mitmproxy/mitmproxy,MatthewShao/mitmproxy,mhils/mitmproxy,zlorb/mitmproxy,Kriechi/mitmproxy,cortesi/mitmproxy,zlorb/mitmproxy,mitmproxy/mitmproxy,vhaupert/mitmproxy,mitmproxy/mitmproxy,vhaupert/mitmproxy,mhils/mitmproxy,ujjwal96/mitmproxy,ddworken/mitmproxy,mhils/mitmproxy,zlorb/mitmproxy,cortesi/mitmproxy,ujjwal96/mitmproxy,Kriechi/mitmproxy,MatthewShao/mitmproxy,mhils/mitmproxy,ddworken/mitmproxy,mhils/mitmproxy,StevenVanAcker/mitmproxy,MatthewShao/mitmproxy,ddworken/mitmproxy,StevenVanAcker/mitmproxy,ujjwal96/mitmproxy,vhaupert/mitmproxy,Kriechi/mitmproxy,StevenVanAcker/mitmproxy,cortesi/mitmproxy,cortesi/mitmproxy,mitmproxy/mitmproxy,zlorb/mitmproxy,mitmproxy/mitmproxy,MatthewShao/mitmproxy,ujjwal96/mitmproxy,vhaupert/mitmproxy,StevenVanAcker/mitmproxy,Kriechi/mitmproxy