Support eloqstore cloud

[yi-xmu]

Add config for eloqstore cloud store.

• For EloqSQL
• For EloqKV
• For EloqDoc

[yi-xmu]

EloqSQL / EloqKV finished.

Fix eloqstore bug under under ELOQ_MODULE_ENABLED.

[yi-xmu]

EloqKV:
with core num: 2

eloqstore rclone thread count: 1

$ redis-cli 
127.0.0.1:6379> scan 0
1) "0"
2) 1) "hello"
   2) "key1"
   3) "key2"
   4) "key3"
   5) "key4"
   6) "key5"
   7) "key6"
   8) "key7"
(245.56s)
127.0.0.1:6379>

1024 scan requests.

[2025-08-14T11:06:11.723893 I 1613411] [eloq_store_data_store.cpp:385] ScanNext: 106721348572032 batch_size: 100
...
[2025-08-14T11:06:11.726369 I 1613411] [eloq_store_data_store.cpp:385] ScanNext: 106721348584832 batch_size: 100
...
[2025-08-14T11:06:11.728139 I 1613411] [eloq_store_data_store.cpp:385] ScanNext: 106721348593792 batch_size: 100
...
[2025-08-14T11:06:11.792120 I 1613411] [eloq_store_data_store.cpp:385] ScanNext: 106721348901952 batch_size: 100

...
[2025-08-14T11:06:12.132262 I 1613411] [eloq_store_data_store.cpp:406] OnScanNext: 106721348572032 with error: 2
...
[2025-08-14T11:10:14.164846 I 1613411] [eloq_store_data_store.cpp:406] OnScanNext: 106721348584832 with error: 0
...
[2025-08-14T11:10:17.005856 I 1613412] [eloq_store_data_store.cpp:406] OnScanNext: 106721348901952 with error: 2
[2025-08-14T11:10:17.273028 I 1613411] [eloq_store_data_store.cpp:406] OnScanNext: 106721348593792 with error: 0

[yi-xmu]

EloqKV
with core num: 8

eloqstore rclone threads count: 8

$ redis-cli 
127.0.0.1:6379> scan 0
1) "0"
2) 1) "hello"
   2) "key1"
   3) "key2"
   4) "key3"
   5) "key4"
   6) "key5"
   7) "key6"
   8) "key7"
(37.78s)
127.0.0.1:6379>