Add resource pack generators: blockstates and model

src/locales/en.json

@@ -3,6 +3,8 @@
   "add_bottom": "Add to bottom",
   "add_top": "Add to top",
   "advancement": "Advancement",
+  "assets": "Assets",
+  "block_definition": "Blockstate",
   "changelog.search": "Search changes",
   "collapse": "Collapse",
   "collapse_all": "Hold %0% to collapse all",
@@ -45,6 +47,7 @@
   "layer.factor": "Factor",
   "layer.jaggedness": "Jaggedness",
   "loot_table": "Loot Table",
+  "model": "Model",
   "more": "More",
   "move_down": "Move down",
   "move_up": "Move up",