Initial upload with CI/CD workflow

jest.config.js

@@ -0,0 +1,22 @@
+module.exports = {
+  preset: 'ts-jest',
+  testEnvironment: 'node',
+  roots: ['<rootDir>/tests'],
+  testMatch: ['**/*.test.ts'],
+  testPathIgnorePatterns: [
+    '/node_modules/',
+    '/tests/integration/',
+    '/tests/e2e/'
+  ],
+  moduleNameMapper: {
+    '^@/(.*)$': '<rootDir>/src/$1'
+  },
+  collectCoverageFrom: [
+    'src/**/*.ts',
+    '!src/**/*.d.ts',
+    '!src/index.ts'
+  ],
+  coverageDirectory: 'coverage',
+  coverageReporters: ['text', 'lcov'],
+  verbose: true
+};