Update links to the repo to the new World group

The repo has been moved from /danigm/fractal to /World/fractal so we
need to update all links in the app.

README.md

@@ -4,9 +4,9 @@ Fractal
 Fractal is a Gtk+ Matrix.org client written in Rust.
 
  * Come to talk with us in Matrix: https://matrix.to/#/#fractal-gtk:matrix.org
- * Main repository: https://gitlab.gnome.org/danigm/fractal/
+ * Main repository: https://gitlab.gnome.org/World/fractal/
 
-![screenshot](https://gitlab.gnome.org/danigm/fractal/raw/master/screenshots/fractal.png)
+![screenshot](https://gitlab.gnome.org/World/fractal/raw/master/screenshots/fractal.png)
 
 ## How to Build
 

flatpak/org.gnome.Fractal.json

@@ -41,7 +41,7 @@
             "sources" : [
                 {
                     "type" : "git",
-                    "url" : "https://gitlab.gnome.org/danigm/fractal.git"
+                    "url" : "https://gitlab.gnome.org/World/fractal.git"
                 }
             ]
         }

fractal-gtk/res/org.gnome.Fractal.appdata.xml

@@ -6,13 +6,13 @@
   <metadata_license>CC0-1.0</metadata_license>
   <developer_name>Daniel García Moreno</developer_name>
   <summary>Gtk+ Matrix.org client</summary>
-  <url type="homepage">https://gitlab.gnome.org/danigm/fractal</url>
+  <url type="homepage">https://gitlab.gnome.org/World/fractal</url>
   <description>
     Fractal is a Gtk+ Matrix.org client written in Rust
   </description>
   <screenshots>
     <screenshot type="default">
-      <image type="source">https://gitlab.gnome.org/danigm/fractal/raw/master/screenshots/fractal.png</image>
+      <image type="source">https://gitlab.gnome.org/World/fractal/raw/master/screenshots/fractal.png</image>
     </screenshot>
   </screenshots>
   <releases>