chore: added test coverage collection

updated the jest configuration to generate a coverage report on the entire project when tests are run. this coverage report has been added to the the gitignore file as it is not relevant to store it in the online repository.

ref: N25B-114

.gitignore

@@ -22,3 +22,6 @@ dist-ssr
 *.njsproj
 *.sln
 *.sw?
+
+# Coverage report
+coverage

jest.config.js

@@ -10,5 +10,7 @@ export default {
   testMatch: ['<rootDir>/test/**/*.test.(ts|tsx)'],
   transform: {
     '^.+\\.(ts|tsx)$': ['ts-jest', { useESM: true, tsconfig: 'tsconfig.jest.json' }]
-  }
+  },
+  collectCoverage:true,
+  collectCoverageFrom: ['<rootDir>/src/**/*.{ts,tsx,js,jsx}'],
 };