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/1.9/materials.json

@@ -0,0 +1,61 @@
+{
+  "rock": {
+    "257": 6,
+    "270": 2,
+    "274": 4,
+    "278": 8,
+    "285": 12
+  },
+  "wood": {
+    "258": 6,
+    "271": 2,
+    "275": 4,
+    "279": 8,
+    "286": 12
+  },
+  "plant": {
+    "258": 6,
+    "267": 1.5,
+    "268": 1.5,
+    "271": 2,
+    "272": 1.5,
+    "275": 4,
+    "276": 1.5,
+    "279": 8,
+    "283": 1.5,
+    "286": 12
+  },
+  "melon": {
+    "267": 1.5,
+    "268": 1.5,
+    "272": 1.5,
+    "276": 1.5,
+    "283": 1.5
+  },
+  "leaves": {
+    "267": 1.5,
+    "268": 1.5,
+    "272": 1.5,
+    "276": 1.5,
+    "283": 1.5,
+    "359": 6
+  },
+  "dirt": {
+    "256": 6,
+    "269": 2,
+    "273": 4,
+    "277": 8,
+    "284": 12
+  },
+  "web": {
+    "267": 15,
+    "268": 15,
+    "272": 15,
+    "276": 15,
+    "283": 15,
+    "359": 15
+  },
+  "wool": {
+    "359": 4.8
+  }
+}