CORPORATION: Add a new API to sell a division (#1210)

Also refactoring around use of "player" variable (whether it is capitalized or not).

src/ScriptEditor/NetscriptDefinitions.d.ts

@@ -8181,6 +8181,14 @@ export interface Corporation extends WarehouseAPI, OfficeAPI {
    * ```
    */
   nextUpdate(): Promise<CorpStateName>;
+
+  /**
+   * Sell a division
+   * @remarks
+   * RAM cost: 20 GB
+   *
+   * @param divisionName - Name of the division */
+  sellDivision(divisionName: string): void;
 }
 
 /** Product rating information