Add aliases for plugin commands

Author: kyb3r

cogs/plugins.py

@@ -137,7 +137,7 @@ async def plugin(self, ctx):
         """Plugin handler. Controls the plugins in the bot."""
         await ctx.send_help(ctx.command)
 
-    @plugin.command(name='add')
+    @plugin.command(name='add', aliases=['install'])
     @checks.has_permissions(PermissionLevel.OWNER)
     async def plugin_add(self, ctx, *, plugin_name: str):
         """Add a plugin."""
@@ -259,7 +259,7 @@ async def plugin_update(self, ctx, *, plugin_name: str):
                     except DownloadError as exc:
                         await ctx.send(f'Unable to start plugin: `{exc}`.')
 
-    @plugin.command(name='enabled')
+    @plugin.command(name='enabled', aliases=['installed'])
     @checks.has_permissions(PermissionLevel.OWNER)
     async def plugin_enabled(self, ctx):
         """Shows a list of currently enabled plugins."""