Halve size of images

Reduces filesizes for 1.14+ by ~63%

images/images.json

@@ -1,14 +1,14 @@
 {
   "sizes": {
-    "1x1": [640, 640],
-    "1x2": [640, 1280],
-    "2x1": [1280, 640],
-    "2x2": [1280, 1280],
-    "3x3": [1920, 1920],
-    "3x4": [1920, 2560],
-    "4x2": [2560, 1280],
-    "4x3": [2560, 1920],
-    "4x4": [2560, 2560]
+    "1x1": [320, 320],
+    "1x2": [320, 640],
+    "2x1": [640, 320],
+    "2x2": [640, 640],
+    "3x3": [960, 960],
+    "3x4": [960, 1280],
+    "4x2": [1280, 640],
+    "4x3": [1280, 960],
+    "4x4": [1280, 1280]
   },
   "images": [
     {
@@ -81,21 +81,21 @@
       "name": "wanderer",
       "size": "1x2",
       "kz": [0, 4],
-      "resize": [640, 640],
+      "resize": [320, 320],
       "_comment": "For some reason this needs to be 1:1"
     },
     {
       "name": "graham",
       "size": "1x2",
       "kz": [1, 4],
-      "resize": [640, 640],
+      "resize": [320, 320],
       "_comment": "For some reason this needs to be 1:1"
     },
     {
       "name": "prairie_ride",
       "size": "1x2",
       "kz": null,
-      "resize": [640, 640],
+      "resize": [320, 320],
       "_comment": "For some reason this needs to be 1:1"
     },
     {
@@ -187,7 +187,7 @@
       "name": "pointer",
       "size": "4x4",
       "kz": [0, 12],
-      "resize": [640, 640],
+      "resize": [320, 320],
       "animation": { "frametime": 100 }
     },
     {
@@ -199,7 +199,7 @@
       "name": "burning_skull",
       "size": "4x4",
       "kz": [8, 12],
-      "resize": [640, 640],
+      "resize": [320, 320],
       "frames": [2805, 2826]
     },
     {