ADD these constants in both algo and constants page

[gokulsreekumar]

#define   RELCAT_REL_NAME_INDEX 0
#define RELCAT_NO_ATTRIBUTES_INDEX 1
#define RELCAT_NO_RECORDS_INDEX 2
#define RELCAT_FIRST_BLOCK_INDEX 3
#define RELCAT_LAST_BLOCK_INDEX 4
#define RELCAT_NO_SLOTS_PER_BLOCK_INDEX 5

#define   ATTRCAT_REL_NAME_INDEX 0
#define ATTRCAT_ATTR_NAME_INDEX 1
#define ATTRCAT_ATTR_TYPE_INDEX 2
#define ATTRCAT_PRIMARY_FLAG_INDEX 3
#define ATTRCAT_ROOT_BLOCK_INDEX 4
#define ATTRCAT_OFFSET_INDEX 5

[gokulsreekumar]

• Add comment in Docs saying to use the above constants preferably to do the indexing and put a link to the constants page

[gokulsreekumar]

• Done

[gokulsreekumar]

• Need to be added to NITCbase Package