ENH rename and make mamba installer executable

dot_bin/executable_bootstrap_mamba

@@ -0,0 +1,17 @@
+#! /bin/bash
+
+# locally install mamba for this user
+
+bin_path=~/.local/bin/mamba_installer.sh
+mamba_root=$XDG_DATA_HOME/mambaforge
+
+# this needs to be present or else the installer will fail
+mkdir -p $XDG_DATA_HOME/conda/{pkgs,envs}
+
+# TODO configure version
+#curl -L -O "https://github.com/conda-forge/miniforge/releases/download/4.13.0-1/Mambaforge-$(uname)-$(uname -m).sh"
+curl -L -o "$bin_path" "https://github.com/conda-forge/miniforge/releases/latest/download/Mambaforge-$(uname)-$(uname -m).sh"
+
+bash "$bin_path" -p "$mamba_root" -b -f
+
+rm -f "$bin_path"