TD3 Implementation

[rcnlee]

Hello,

TD3 is mentioned in the README, but I can't seem to find it anywhere in the source. Is it implemented?

Along the same lines, I tried the JuliaRL_TD3_Pendulum experiment from the docs and it looks like it is missing:

julia> using ReinforcementLearning

julia> run(E`JuliaRL_TD3_Pendulum`)
ERROR: LoadError: MethodError: no method matching Experiment(::Val{:JuliaRL}, ::Val{:TD3}, ::Val{:Pendulum}, ::Nothing)
Closest candidates are:
  Experiment(::Any, ::Any, ::Any, ::Any, ::String) at /Users/rlee18/.julia/packages/ReinforcementLearningCore/xwt8K/src/core/experiment.jl:7
  Experiment(::Any, ::Any, ::Any, ::Any, ::Any) at /Users/rlee18/.julia/packages/ReinforcementLearningCore/xwt8K/src/core/experiment.jl:7
  Experiment(::Val{:JuliaRL}, ::Val{:DDPG}, ::Val{:Pendulum}, ::Nothing; save_dir, seed) at /Users/rlee18/.julia/packages/ReinforcementLearningZoo/uxBP8/src/experiments/rl_envs.jl:677
  ...
Stacktrace:
 [1] Experiment(::String) at /Users/rlee18/.julia/packages/ReinforcementLearningCore/xwt8K/src/core/experiment.jl:32
 [2] @E_cmd(::LineNumberNode, ::Module, ::Any) at /Users/rlee18/.julia/packages/ReinforcementLearningCore/xwt8K/src/core/experiment.jl:25
in expression starting at REPL[2]:1

Thanks!

[rcnlee]

Sorry, I just saw the comment about posting to ReinforcementLearning.jl instead. I'll close this issue and repost over there.