RT-1614 update simple observation mapper for pain score timeline

Updated a simple observation mapper for pain score timeline

v6.0.1

• Updated the simple-observation-mapper to handle optional values

#260

Full Changelog: 6.0.0...6.0.1

Migrate to standalone components

• Updated the lib so it will use standalone component

• Migrated to standalone components
  #259

Full Changelog: 5.0.0...6.0.0

v5.0.0

• Updated the angular version to 18.2.4 and Nx version to 19.7.2

• Updated the ng-doc to the latest version to 18.0.3
  #257

Full Changelog: 4.0.1...5.0.0

4.0.1: RT-1513:(charts-on-fhir) Update to new angular builder (#256)

• Update to new angular builder.
  #256

Full Changelog: 4.0.0...4.0.1

v4.0.0

• Now can customize the tooltip title to use something other than the y-value for category scales.
  #254
• Updated the angular version to 17 and Nx version to 18.2
• Updated the ng-doc to the latest version to 17.6.13
• Updated all modules to the standalone components.
• Used the built-in fullscreen mode for chart layout component
  #252

Full Changelog: 3.4.7...4.0.0

v3.4.7

• Changed the order in which plugins are registered so annotations will be drawn after scale dividers
• Updated the observation mapper to use valueQuantity.code #248

Full Changelog: 3.4.6...3.4.7

v3.4.6

• Used category.code for grouping observations using category #247

Full Changelog: 3.4.5...3.4.6

v3.4.5

• Added log_format to enable json logging #245

Full Changelog: 3.4.4...3.4.5

v3.4.4

• Updated the dataLayerService to continue loading data from the other services when one of services throws an error while retrieving data #244

Full Changelog: 3.4.3...3.4.4