feat: move configuration files inside home folder

home/.config/zsh/ohmyzsh/plugins/toolbox/README.md

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+# toolbox plugin
+
+Plugin for [toolbox](https://containertoolbx.org), a tool to use containerized CLI environments.
+
+To use it, add `toolbox` to your plugins array in your `.zshrc` file:
+
+```zsh
+plugins=(... toolbox)
+```
+
+## Prompt function
+
+This plugins adds `toolbox_prompt_info()` function. Using it in your prompt, it will show the toolbox
+indicator ⬢ (if you are running in a toolbox container), and nothing if not.
+
+You can use it by adding `$(toolbox_prompt_info)` to your `PROMPT` or `RPROMPT` variable:
+
+```zsh
+RPROMPT='$(toolbox_prompt_info)'
+```
+
+In the same way, it adds `toolbox_prompt_name()`, showing the name of the containerized environment.
+
+## Aliases
+
+| Alias | Command         | Description                          |
+| ----- | --------------- | ------------------------------------ |
+| tbe   | `toolbox enter` | Enters the toolbox environment       |
+| tbr   | `toolbox run`   | Run a command in an existing toolbox |

home/.config/zsh/ohmyzsh/plugins/toolbox/toolbox.plugin.zsh

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+function toolbox_prompt_info() {
+  [[ -f /run/.toolboxenv ]] && echo "⬢"
+}
+
+function toolbox_prompt_name() {
+  [[ -f /run/.containerenv ]] || return
+
+  # This command reads the /run/.containerenv file line by line and extracts the
+  # container name from it by looking for the `name="..."` line, and uses -F\" to
+  # split the line by double quotes. Then all % characters are replaced with %%
+  # to escape them for the prompt.
+  awk -F\" '/name/ { gsub(/%/, "%%", $2); print $2 }' /run/.containerenv
+}
+
+alias tbe="toolbox enter"
+alias tbr="toolbox run"