native register_dictionary(const filename);
Dictionary file name
Registers a dictionary file, making sure the words are in the dictionary.
The file should be in "addons/amxmodx/data/lang", but only the name
needs to be given. For example, register_dictionary("file.txt") will
On success, the function will return 1, otherwise it will
return 0 if the file couldn't be found or opened, and -1 if
the dictionary was already registered by a plugin