Updated docs from upstream

Triggered by 67ee1046a6a4754c06d2e60d2e0c82c5d929a0d3

Author: ohsayan

docs/actions.md

@@ -10,6 +10,7 @@ Actions are like shell commands: they take arguments and do something! Skytable
 * [FLUSHDB](actions/FLUSHDB.md)
 * [GET](actions/GET.md)
 * [KEYLEN](actions/KEYLEN.md)
+* [LSKEYS](actions/LSKEYS.md)
 * [MGET](actions/MGET.md)
 * [MKSNAP](actions/MKSNAP.md)
 * [MSET](actions/MSET.md)

docs/actions/LSKEYS.md

@@ -0,0 +1,11 @@
+---
+id: lskeys
+title: LSKEYS
+---
+:::note About
+**Since**: 0.6.0  
+**Time complexity**: O(n)  
+**Arguments**: `LSKEYS <limit>`  
+**Returns**: Returns a maximum of 10 keys if no limit is specified or returns a maximum number of keys for the given limit  
+:::
+Returns a flat string array of keys present in the database. If no <limit> is given, then a maximum of 10 keys are returned. If a limit is specified, then a maximum of <limit> keys are returned