Update README.md

README.md

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 Client for zordfsdb database.
 
+## ZordFsDB shell supported commands:
+
+KEYS [path] - get list of existing properties/objects/lists
+GET [path] - get value of property
+INC [path] - increase abcex value in property
+DEC [path] - decrease abcex value in property
+NOW [path] - set value to datetime string in property
+DEL [path] - remove property/object/list (no confirmation)
+SAVE [path] [value] - set value to property
+CREATE [path] - create list/object in path (parent path should exist)
+ADD [path] - add abcex indexed object to list. Will return index
+INFO [path] - get all info about property/object/path
+HELP - will print this help
+QUIT - exit the shell
+
+Last used path can be accessed by _
+Last returned index (after ADD command) can be accessed by $
+
+Short commands can be as:
+KEYS(\K), GET(\G), INC(\I), DEC(\D), NOW(\N), DEL(\R), SAVE(\S), CREATE(\C), ADD(\A), HELP(\H), QUIT(\Q)
+
+
 ## TODO
 
 - colors
 - SAVE - refresh
 - _ - before PATH. Ex, after create object and add value: `NOW _.last_build`
 - $ - last id. Ex, to add node to list and set value after ADD: `SAVE _.$.v1 abc`
--defalt-command_notfond
 -et_on_list_oj