feat(ranger): 添加Ranger配置文件

ranger/plugins/devicons2/README.md

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+# ranger-devicons2
+Adds an icon and type (like `ls -F`) to the ranger's file list
+
+![screenshot](./screenshot.png)
+
+## Why, if ranger-devicons already exists?
+- simple sync with nvim-web-devicons: gen_icons.sh
+- not only exact match, but also pattern_match (ex: `.*vimrc.*`)
+- show "type symbol" (like `ls -F`)
+
+## Installation
+1. Install a [Nerd Font compatible font](https://github.com/ryanoasis/nerd-fonts#font-installation) or [patch your own](https://github.com/ryanoasis/nerd-fonts#font-patcher), then set your terminal font
+
+2. Clone:
+```sh
+git clone https://github.com/cdump/ranger-devicons2 ~/.config/ranger/plugins/devicons2
+```
+
+3. Add/change `default_linemode devicons2` in your `~/.config/ranger/rc.conf`
+
+## Acknowledgments
+- icons rules autogenerated (with gen_icons.sh) from [nvim-web-devicons](https://github.com/nvim-tree/nvim-web-devicons)
+- inspired by [ranger-devicons](https://github.com/alexanderjeurissen/ranger_devicons)