add readme and install script

README.md

@@ -0,0 +1,30 @@
+# caelestia-scripts
+
+A collection of scripts for my caelestia dotfiles.
+
+## Installation
+
+Run the `install.fish` script in the base of the repo.
+`~/.local/bin` must be in your path.
+
+## Usage
+
+```
+> caelestia help
+Usage: caelestia COMMAND [ ...args ]
+
+COMMAND := help | shell | toggle | workspace-action | scheme | screenshot | record | clipboard | clipboard-delete | emoji-picker | wallpaper | pip
+
+  help: show this help message
+  shell: start the shell or message it
+  toggle: toggle a special workspace
+  workspace-action: execute a Hyprland workspace dispatcher in the current group
+  scheme: change the current colour scheme
+  screenshot: take a screenshot
+  record: take a screen recording
+  clipboard: open clipboard history
+  clipboard-delete: delete an item from clipboard history
+  emoji-picker: open the emoji picker
+  wallpaper: change the wallpaper
+  pip: move the focused window into picture in picture mode or start the pip daemon
+```