dwl-patches overhaul

Eliminated wiki.
Individual patches have a README.md explanation in their own subdirectory.
Simplified submission of new patches and maintenance of existing patches.
Instructions page (README.md autodisplayed) is now at https://codeberg.org/dwl/dwl-patches/

patches/alwayscenter/README.md

@@ -0,0 +1,9 @@
+### Description
+Automatically center floating windows.
+
+### Download
+- [git branch](https://codeberg.org/guidocella/dwl/src/branch/alwayscenter)
+- [2024-02-06](https://codeberg.org/dwl/dwl-patches/raw/branch/main/patches/alwayscenter/alwayscenter.patch)
+
+### Authors
+- [Guido Cella](https://codeberg.org/guidocella)

patches/alwayscenter/alwayscenter.patch

@@ -0,0 +1,25 @@
+From 95ac2fd73af8cee3ce3e556c254e60a2ca985515 Mon Sep 17 00:00:00 2001
+From: Guido Cella <guido@guidocella.xyz>
+Date: Tue, 16 Jan 2024 18:14:50 +0100
+Subject: [PATCH] center floating windows
+
+---
+ dwl.c | 2 ++
+ 1 file changed, 2 insertions(+)
+
+diff --git a/dwl.c b/dwl.c
+index 95ebee8..ac077e3 100644
+--- a/dwl.c
++++ b/dwl.c
+@@ -453,6 +453,8 @@ applyrules(Client *c)
+ 			}
+ 		}
+ 	}
++	c->geom.x = (mon->w.width - c->geom.width) / 2 + mon->m.x;
++	c->geom.y = (mon->w.height - c->geom.height) / 2 + mon->m.y;
+ 	setmon(c, mon, newtags);
+ }
+ 
+-- 
+2.43.0
+