Add fuzzy conda activate with python version display and conda tree leaves preview

Examples.md

@@ -23,6 +23,7 @@ Table of Contents
   * [Homebrew Cask](#homebrew-cask)
   * [DNF](#dnf)
   * [Flatpak](#flatpak)
+  * [Conda](#conda)
 * Filesystem navigation
   * [Opening files](#opening-files)
   * [Changing directory](#changing-directory)
@@ -1517,6 +1518,46 @@ bindkey '^[f^[u' fzf-flatpak-uninstall-widget #alt-f + alt-u
 zle -N fzf-flatpak-uninstall-widget
 ```
 
+### Conda
+
+#### conda-activate (for bash)
+
+Fuzzy conda environment selection with python version display and `conda tree leaves` preview.
+
+![image](https://user-images.githubusercontent.com/36678697/214879546-32e7c184-3a82-4660-9baa-ea73deff5127.png)
+
+```sh
+fzf-conda-activate () {
+    choice=(
+        $(
+            conda env list |
+            sed 's/\*/ /;1,2d' |
+            xargs -I {} bash -c '
+                name_path=( {} );
+                py_version=( $(${name_path[1]}/bin/python --version) );
+                echo ${name_path[0]} ${py_version[1]} ${name_path[1]}
+            ' |
+            column -t |
+            fzf --layout=reverse \
+                --info=inline \
+                --border=rounded \
+                --height=40 \
+                --preview-window="right:30%" \
+                --preview-label=" conda tree leaves " \
+                --preview=$'
+                    line="{}";
+                    line_arr=(${line:1:-1});
+                    env_prefix="${line_arr[2]}";
+                    conda tree -p "$env_prefix" leaves |
+                        perl -F\'[^\\w-_]\' -lae \'print for grep /./, @F;\' |
+                        sort
+                '
+        )
+    )
+    [[ -n "$choice" ]] && conda activate "$choice"
+}
+```
+
 ### v
 
 #### Inspired by [v](https://github.com/rupa/v). Opens files in ~/.viminfo