home: i3: setup default workspace outputs

hosts/hephaestus/default.nix

@@ -172,18 +172,21 @@
         config = {
           "eDP-1" = {
             enable = true;
+            crtc = 1;
             primary = false;
             position = "0x120";
             mode = "1920x1080";
           };
           "DP-3" = {
             enable = true;
+            crtc = 0;
             primary = true;
             position = "1920x0";
             mode = "1920x1200";
           };
           "DP-4" = {
             enable = true;
+            crtc = 2;
             primary = false;
             position = "3840x0";
             mode = "1920x1200";