New valuesets for Diabetes, based on mail Tom Andries

[bdc-ehealth]

@Tom-Andries

based on your mail (also to be found at: https://be-ehealth-standards.atlassian.net/jira/servicedesk/projects/ESI/queues/custom/19/ESI-947 )
I add following SNOMED CT codes, to fix some of the valueset problems in #86

This is the list of codes from the mail:
Concept SCTID
Coefficient of variation (observable entity) 141121000172108
Days sensor worn (observable entity) 141131000172106
Frequency of hyperglycaemic episodes (observable entity) 141141000172104
Glucose management index (observable entity) 141241000172105
Mean number of point-of-care capillary blood glucose measurements per day (observable entity) 141151000172102
Mean substance concentration of glucose in capillary blood using minimally-invasive continuous glucose monitoring device (observable entity) 141161000172100
Number of clinically significant hypoglycaemic episodes recorded by continuous glucose monitoring device (observable entity) 141171000172109
Percentage of data captured (observable entity) 141181000172107
Percentage of time above level 1 hyperglycaemic threshold to total continuous glucose monitoring time using minimally-invasive continuous glucose monitoring device (observable entity) 141191000172105
Percentage of time above level 2 hyperglycaemic threshold to total continuous glucose monitoring time using minimally-invasive continuous glucose monitoring device (observable entity) 141201000172108
Percentage of time below level 1 hypoglycaemic threshold to total continuous glucose monitoring time using minimally-invasive continuous glucose monitoring device (observable entity) 141211000172106
Percentage of time below level 2 hypoglycaemic threshold to total continuous glucose monitoring time using minimally-invasive continuous glucose monitoring device (observable entity) 141221000172101
Percentage of time in target glucose range to total glucose monitoring time using minimally-invasive continuous glucose monitoring device (observable entity) 141231000172103
hémoglobine glyquée HbA1c 365845005