docs: update

README.md

@@ -14,3 +14,40 @@ An itsy bitsy floating window manager with roots in `catwm`.
 - Alt-Tab window focusing.
 - Focus with cursor.
 - etc etc etc
+
+
+## Default Keybindings
+
+**Window Management**
+
+| combo                   | action                 |
+| ----------------------- | -----------------------|
+| `Mouse`                 | Focus under cursor     |
+| `MOD4` + `Left Mouse`   | move window            |
+| `MOD4` + `Right Mouse`  | resize window          |
+| `MOD4` + `f`            | maximize toggle        |
+| `MOD4` + `c`            | center window          |
+| `MOD4` + `q`            | kill window            |
+| `MOD4` + `1-9`          | desktop swap           |
+| `MOD4` + `Shift` +`1-9` | send window to desktop |
+| `MOD1` + `TAB`          | focus cycle            |
+
+**Programs**
+
+| combo                   | action           | program        |
+| ----------------------- | ---------------- | -------------- |
+| `MOD4` + `Return`       | terminal         | `st`           |
+| `MOD4` + `d`            | dmenu            | `dmenu_run`    |
+| `MOD4` + `p`            | scrot            | `scr`          |
+| `MOD4` + `w`            | wallpaper cycler | `bud`          |
+| `XF86_AudioLowerVolume` | volume down      | `amixer`       |
+| `XF86_AudioRaiseVolume` | volume up        | `amixer`       |
+| `XF86XK_AudioMute`      | volume toggle    | `amixer`       |
+
+
+## Installation
+
+1) Modify `config.h` to suit your needs.
+2) Run `make` to build `sowm`.
+3) Copy it to your path or run `make install`.
+    - `DESTDIR` and `PREFIX` are supported.