Miniconda installing and basic usage

Alala
wget https://repo.anaconda.com/miniconda/Miniconda3-latest-Linux-x86_64.sh
sha256sum Miniconda3-latest-Linux-x86_64.sh
eval "$(/home/cirro/miniconda3/bin/conda shell.bash hook)"
conda create -n env_test_01 python=3.8 numpy