feat(petals): add backend (#1350)

* feat(petals): add backend

Signed-off-by: Ettore Di Giacinto <mudler@localai.io>

* fixups

---------

Signed-off-by: Ettore Di Giacinto <mudler@localai.io>

backend/python/petals/petals.yml

@@ -0,0 +1,29 @@
+name: petals
+channels:
+  - defaults
+dependencies:
+  # - _libgcc_mutex=0.1=main
+  # - _openmp_mutex=5.1=1_gnu
+  # - bzip2=1.0.8=h7b6447c_0
+  # - ca-certificates=2023.08.22=h06a4308_0
+  # - ld_impl_linux-64=2.38=h1181459_1
+  # - libffi=3.4.4=h6a678d5_0
+  # - libgcc-ng=11.2.0=h1234567_1
+  # - libgomp=11.2.0=h1234567_1
+  # - libstdcxx-ng=11.2.0=h1234567_1
+  # - libuuid=1.41.5=h5eee18b_0
+  # - ncurses=6.4=h6a678d5_0
+  # - openssl=3.0.11=h7f8727e_2
+  # - pip=23.2.1=py311h06a4308_0
+  # - python=3.11.5=h955ad1f_0
+  # - readline=8.2=h5eee18b_0
+  # - setuptools=68.0.0=py311h06a4308_0
+  # - sqlite=3.41.2=h5eee18b_0
+  # - tk=8.6.12=h1ccaba5_0
+  # - tzdata=2023c=h04d1e81_0
+  # - wheel=0.41.2=py311h06a4308_0
+  # - xz=5.4.2=h5eee18b_0
+  # - zlib=1.2.13=h5eee18b_0
+  - pip:
+      - git+https://github.com/bigscience-workshop/petals
+prefix: /opt/conda/envs/petals