(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/SCRIPT_EXISTS.ts

@@ -5,6 +5,13 @@ import { RedisVariadicArgument } from './generic-transformers';
 export default {
   NOT_KEYED_COMMAND: true,
   IS_READ_ONLY: true,
+  /**
+   * Constructs the SCRIPT EXISTS command
+   * 
+   * @param parser - The command parser
+   * @param sha1 - One or more SHA1 digests of scripts
+   * @see https://redis.io/commands/script-exists/
+   */
   parseCommand(parser: CommandParser, sha1: RedisVariadicArgument) {
     parser.push('SCRIPT', 'EXISTS');
     parser.pushVariadic(sha1);