feat: support creating bank transactions and contacts (#6)

* test: configure jest

* feat: add tool to create contact

* feat: add tool to create bank transactions

* feat: add security sanitization

* refactor: rename folder, remove console logs

Author: john-zhang-dev

jest.config.ts

@@ -0,0 +1,29 @@
+import type { Config } from 'jest';
+
+const config: Config = {
+  preset: 'ts-jest',
+  testEnvironment: 'node',
+  extensionsToTreatAsEsm: ['.ts'],
+  moduleNameMapper: {
+    '^(\\.{1,2}/.*)\\.js$': '$1',
+  },
+  transform: {
+    '^.+\\.tsx?$': [
+      'ts-jest',
+      {
+        useESM: true,
+      },
+    ],
+  },
+  moduleFileExtensions: ['ts', 'tsx', 'js', 'jsx', 'json', 'node'],
+  testMatch: ['**/__tests__/**/*.[jt]s?(x)', '**/?(*.)+(spec|test).[jt]s?(x)'],
+  verbose: true,
+  testPathIgnorePatterns: ['/node_modules/', '/build/'],
+  collectCoverageFrom: [
+    'src/**/*.{js,jsx,ts,tsx}',
+    '!src/**/*.d.ts',
+    '!src/**/index.ts',
+  ],
+};
+
+export default config;