add lua5.4 vscode launch target, update roadmap

.vscode/launch.json

@@ -10,6 +10,15 @@
                 "file": "${workspaceFolder}/develop/all.lua"
             }
         },
+        {
+            "name": "Launch Evolved All (lua5.4)",
+            "type": "lua-local",
+            "request": "launch",
+            "program": {
+                "lua": "lua5.4",
+                "file": "${workspaceFolder}/develop/all.lua"
+            }
+        },
         {
             "name": "Launch Evolved All (luajit)",
             "type": "lua-local",

ROADMAP.md

@@ -8,3 +8,4 @@
 - optimize batch operations for cases with moving entities to empty chunks
 - should we clear chunk's components by on_insert tag callback?
 - use table.new/clear for cached tables
+- add `each :: entity -> {each_state? -> fragment?, component?}, each_state?` function