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/1.13.2/instruments.json

@@ -0,0 +1,42 @@
+[
+  {
+    "id": 0,
+    "name": "harp"
+  },
+  {
+    "id": 1,
+    "name": "basedrum"
+  },
+  {
+    "id": 2,
+    "name": "snare"
+  },
+  {
+    "id": 3,
+    "name": "hat"
+  },
+  {
+    "id": 4,
+    "name": "bass"
+  },
+  {
+    "id": 5,
+    "name": "flute"
+  },
+  {
+    "id": 6,
+    "name": "bell"
+  },
+  {
+    "id": 7,
+    "name": "guitar"
+  },
+  {
+    "id": 8,
+    "name": "chime"
+  },
+  {
+    "id": 9,
+    "name": "xylophone"
+  }
+]