docs: default zip compression

docs/docs/configuration/batch.mdx

@@ -20,4 +20,4 @@ Selecting a folder will also recursively select all files and folders inside it.
 
 import EnvConfig from "@site/src/components/EnvConfig";
 
-<EnvConfig name="BATCH_DOWNLOAD|BATCH_TYPE|BATCH_ZIP_COMPRESS_ALGO|BATCH_MAX_TOTAL_SIZE|BATCH_MAX_FILE_SIZE|BATCH_MIN_SYSTEM_FREE_DISK" init="true|zip|ZSTD|500|100|500" values="true,false|zip|DEFAULT,STORE,SHRINK,REDUCE_1,REDUCE_2,REDUCE_3,REDUCE_4,IMPLODE,DEFLATE,DEFLATE64,PKWARE_IMPLODE,BZIP2,LZMA,LZMA2,ZSTD,XZ,TERSE,LZ77,WAVPACK,PPMD|<Megabyte>|<Megabyte>|<Megabyte>" versions="3.3|3.3|3.3|3.3|3.3|3.3" desc="|||Total zip file size limit|Per-file size limit|Minimum system disk space to keep free at all times. If creating a zip file would violate this constraint, it will be canceled." />
+<EnvConfig name="BATCH_DOWNLOAD|BATCH_TYPE|BATCH_ZIP_COMPRESS_ALGO|BATCH_MAX_TOTAL_SIZE|BATCH_MAX_FILE_SIZE|BATCH_MIN_SYSTEM_FREE_DISK" init="true|zip|DEFAULT|500|100|500" values="true,false|zip|DEFAULT,STORE,SHRINK,REDUCE_1,REDUCE_2,REDUCE_3,REDUCE_4,IMPLODE,DEFLATE,DEFLATE64,PKWARE_IMPLODE,BZIP2,LZMA,LZMA2,ZSTD,XZ,TERSE,LZ77,WAVPACK,PPMD|<Megabyte>|<Megabyte>|<Megabyte>" versions="3.3|3.3|3.3|3.3|3.3|3.3" desc="|||Total zip file size limit|Per-file size limit|Minimum system disk space to keep free at all times. If creating a zip file would violate this constraint, it will be canceled." />