bluetooth: uuid: adding continuous glucose monitoring service uuids

AddBluetooth continuous glucose monitoring service (CGMS)-related uuid
BT_UUID_CGMS for Continuous Glucose Monitoring
BT_UUID_CGM_MEASUREMENT for CGM Measurement
BT_UUID_CGM_FEATURE for CGM Feature
BT_UUID_CGM_STATUS for CGM Status
BT_UUID_CGM_SESSION_START_TIME for CGM Session Start Time
BT_UUID_CGM_SESSION_RUN_TIME for CGM Session Run Time
BT_UUID_CGM_SPECIFIC_OPS_CONTROL_POINT for CGM Specific Ops Control Point
BT_UUID_RECORD_ACCESS_CONTROL_POINT for Record Access Control Point

Signed-off-by: Wentong LI <wentong.li@nordicsemi.no>