Add doas config stuff

.config/zsh/custom/plugins/doas/README.md

@@ -0,0 +1,47 @@
+# doas-zsh-plugin
+
+Easily prefix your current or previous commands with `doas` by pressing <kbd>esc</kbd> twice
+
+To use it, add the following to your zshrc:
+
+```console
+plugins=(doas)
+```
+
+## Usage
+
+### Current typed commands
+
+Say you have typed a long command and forgot to add `doas` in front:
+
+```console
+$ apt-get install build-essential
+```
+
+By pressing the <kbd>esc</kbd> key twice, you will have the same command with `doas` prefixed without typing:
+
+```console
+$ doas apt-get install build-essential
+```
+
+### Previous executed commands
+
+Say you want to delete a system file and denied:
+
+```console
+$ rm some-system-file.txt
+-su: some-system-file.txt: Permission denied
+$
+```
+
+By pressing the <kbd>esc</kbd> key twice, you will have the same command with `doas` prefixed without typing:
+
+```console
+$ rm some-system-file.txt
+-su: some-system-file.txt: Permission denied
+$ doas rm some-system-file.txt
+Password:
+$
+```
+
+Plugin inspired by sudo plugin by [Dongweiming](https://github.com/dongweiming)