Update readme

Author: MaximDude

README.md

@@ -1,2 +1,24 @@
-# Cortex-Command-Community-GUI-Editor
-A CCCP Tool for GUI Editing
+# Cortex Command GUI Editor
+A tool for creating and editing Cortex Command GUI layouts.
+
+**Please report any bugs, there should be plenty.**
+
+## Notes
+- Loading an `.ini` file containing data that isn't valid for the editor will crash.
+- Use `Add File` button to merge contents of a file into the current document.
+- Workspace zoom is disabled for resolutions under 1080p. Maximize the window when enabling.
+
+## Keyboard Controls
+- `Ctrl + O` - Load file.
+- `Ctrl + Shift + O` - Add file.
+- `Ctrl + S` - Save file.
+- `Ctrl + Shift + S` - Save as new file.
+- `Ctrl + C/V`- Copy/paste.
+- `Esc` - Deselect current selection.
+- `Delete` - Delete current selection.
+- `Arrow Keys` - Nudge the current selection by `Grid/Nudge Size` pixels.
+- `Shift + Arrow Keys` - Nudge the current selection by 1 pixel.
+- `Ctrl + 1-4` - Change workspace skin to preview layout under different skin.
+
+## Changelog
+https://github.com/cortex-command-community/Cortex-Command-Community-GUI-Editor/wiki/Changelog