Created Development (markdown)

Development.md

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+It's easy to write your own plugin by making a python package and then indicating it's name as the plugin name.
+
+# Writing plugins
+
+You can start enabling a plugin called "experimental" and add code to `plugins/experimental.py`.
+A better way is to copy this as a starting point and make your own python module.
+Plugins can be loaded with full python module path, eg: `"mymodule.pyprlandplugin"`, the loaded module must provide an `Extension` interface.
+
+Check the `interface.py` file to know the base methods, also have a look at the other plugins for working examples.
+
+To get more details when an error is occurring, `export DEBUG=1` in your shell before running.
+
+## Creating a command
+
+Just add a method called `run_<name of your command>`, eg with "togglezoom" command:
+
+```python
+async def init(self):
+  self.zoomed = False
+
+async def run_togglezoom(self, args):
+  if self.zoomed:
+    await hyprctl('misc:cursor_zoom_factor 1', 'keyword')
+  else:
+    await hyprctl('misc:cursor_zoom_factor 2', 'keyword')
+  self.zoomed = not self.zoomed
+```
+
+## Reacting to an event
+
+Similar as a command, implement some `event_<the event you are interested in>` method.
+