(docs) add jsdoc comments to command parsers (#2984)

* (docs) bloom: add jsdocs for all commands

* (docs) json: add jsdocs

* (docs) search: add jsdocs for all commands

* (docs) jsdocs for std commands

* (docs) jsdoc comments to time series commands

packages/client/lib/commands/SUNION.ts

@@ -5,6 +5,14 @@ import { RedisVariadicArgument } from './generic-transformers';
 export default {
   CACHEABLE: true,
   IS_READ_ONLY: true,
+  /**
+   * Constructs the SUNION command to return the members of the set resulting from the union of all the given sets
+   *
+   * @param parser - The command parser
+   * @param keys - One or more set keys to compute the union from
+   * @returns Array of all elements that are members of at least one of the given sets
+   * @see https://redis.io/commands/sunion/
+   */
   parseCommand(parser: CommandParser, keys: RedisVariadicArgument) {
     parser.push('SUNION');
     parser.pushKeys(keys);