vai-experiment: expand proto_generated to 54 versions (1.8 through 26.2)

- Added 45 new version directories with protocol data
- Regenerated proto_generated packages for all 54 versions
- Fixed void-type packets (bundle_delimiter) in 14 protocol.json files
- Copied protocol data for missing minor versions from nearest release
- Updated generator to include all versions in ViaVaiVersions

mc/data/minecraft-data/pc/1.7/mapIcons.json

@@ -0,0 +1,44 @@
+[
+  {
+    "id": 0,
+    "name": "player",
+    "appearance": "White marker",
+    "visibleInItemFrame": false
+  },
+  {
+    "id": 1,
+    "name": "frame",
+    "appearance": "Green marker",
+    "visibleInItemFrame": true
+  },
+  {
+    "id": 2,
+    "name": "red_marker",
+    "appearance": "Red marker",
+    "visibleInItemFrame": false
+  },
+  {
+    "id": 3,
+    "name": "blue_marker",
+    "appearance": "Blue marker",
+    "visibleInItemFrame": false
+  },
+  {
+    "id": 4,
+    "name": "target_x",
+    "appearance": "White X",
+    "visibleInItemFrame": true
+  },
+  {
+    "id": 5,
+    "name": "target_point",
+    "appearance": "Red triangle",
+    "visibleInItemFrame": true
+  },
+  {
+    "id": 6,
+    "name": "player_off_map",
+    "appearance": "Large white dot",
+    "visibleInItemFrame": false
+  }
+]