chore: initial addition of insights and jest

Author: Ma11hewThomas

.gitignore

@@ -1,3 +1,4 @@
 dist
 node_modules
 ctrf
+coverage

ctrf-reports/ctrf-report.json

@@ -0,0 +1,20 @@
+export default {
+  preset: 'ts-jest/presets/default-esm',
+  extensionsToTreatAsEsm: ['.ts'],
+  testEnvironment: 'node',
+  testMatch: [
+    '**/__tests__/**/*.test.ts',
+    '**/?(*.)+(spec|test).ts'
+  ],
+  collectCoverageFrom: [
+    'src/**/*.ts',
+    '!src/**/*.d.ts'
+  ],
+  coverageDirectory: 'coverage',
+  coverageReporters: ['text', 'lcov', 'html'],
+  transform: {
+    '^.+\\.ts$': ['ts-jest', {
+      useESM: true
+    }]
+  }
+};