add readme and change some scripts

scripts/fix_tiles.ts

@@ -0,0 +1,34 @@
+import GameCommon from '../src/common/GameCommon'
+import { logger } from '../src/common/Util'
+import GameStorage from '../src/server/GameStorage'
+
+const log = logger('fix_tiles.js')
+
+function fix_tiles(gameId) {
+  GameStorage.loadGame(gameId)
+  let changed = false
+  const tiles = GameCommon.getTilesSortedByZIndex(gameId)
+  for (let tile of tiles) {
+    if (tile.owner === -1) {
+      const p = GameCommon.getFinalTilePos(gameId, tile.idx)
+      if (p.x === tile.pos.x && p.y === tile.pos.y) {
+        // log.log('all good', tile.pos)
+      } else {
+        log.log('bad tile pos', tile.pos, 'should be: ', p)
+        tile.pos = p
+        GameCommon.setTile(gameId, tile.idx, tile)
+        changed = true
+      }
+    } else if (tile.owner !== 0) {
+      tile.owner = 0
+      log.log('unowning tile', tile.idx)
+      GameCommon.setTile(gameId, tile.idx, tile)
+      changed = true
+    }
+  }
+  if (changed) {
+    GameStorage.persistGame(gameId)
+  }
+}
+
+fix_tiles(process.argv[2])