If last session was a hard crash, may need to recuperate as if clear=true

[tlienart]

serve()

...

(hard crash, serialisation issue)

serve()
--> error

error type:

[ Info: 📓 de-serializing global context...
ERROR: EOFError: read end of file
Stacktrace:
  [1] read(s::IOStream, #unused#::Type{UInt8})
    @ Base ./iostream.jl:399
  [2] deserialize(s::Serialization.Serializer{IOStream})
    @ Serialization /Applications/Julia-1.7.app/Contents/Resources/julia/share/julia/stdlib/v1.7/Serialization/src/Serialization.jl:801
  [3] handle_deserialize(s::Serialization.Serializer{IOStream}, b::Int32)
    @ Serialization /Applications/Julia-1.7.app/Contents/Resources/julia/share/julia/stdlib/v1.7/Serialization/src/Serialization.jl:907
  [4] deserialize
    @ /Applications/Julia-1.7.app/Contents/Resources/julia/share/julia/stdlib/v1.7/Serialization/src/Serialization.jl:801 [inlined]
  [5] deserialize(s::IOStream)
    @ Serialization /Applications/Julia-1.7.app/Contents/Resources/julia/share/julia/stdlib/v1.7/Serialization/src/Serialization.jl:788
  [6] open(f::typeof(Serialization.deserialize), args::String; kwargs::Base.Pairs{Symbol, Union{}, Tuple{}, NamedTuple{(), Tuple{}}})
    @ Base ./io.jl:330
  [7] open
    @ ./io.jl:328 [inlined]
  [8] deserialize
    @ /Applications/Julia-1.7.app/Contents/Resources/julia/share/julia/stdlib/v1.7/Serialization/src/Serialization.jl:798 [inlined]
  [9] deserialize_gc(gc::Xranklin.GlobalContext{Xranklin.LocalContext})
    @ Xranklin ~/.julia/dev/Xranklin/src/context/serialize.jl:145
 [10] serve(d::String; dir::String, folder::String, clear::Bool, final::Bool, single::Bool, eval::Bool, nocode::Bool, threads::Bool, use_threads::Bool, prepath::String, prefix::String, base_url_prefix::String, debug::Bool, cleanup::Bool, skip::Vector{String}, port::Int64, host::String, launch::Bool)
    @ Xranklin ~/.julia/dev/Xranklin/src/build/serve.jl:139
 [11] serve (repeats 2 times)
    @ ~/.julia/dev/Xranklin/src/build/serve.jl:84 [inlined]
 [12] top-level scope
    @ REPL[3]:1

could be caught and just a clear.

[tlienart]

there's a try-catch around this now