chore: add check for lines, functions and branches, generate coverage…

… only for src

package.json

@@ -13,7 +13,7 @@
     "debug": "fastify start --debug --log-level info --log-level info --pretty-logs --watch src/app.js",
     "lint": "eslint",
     "lint:fix": "eslint --fix",
-    "unit": "node --test --experimental-test-coverage",
+    "unit": "node --test --experimental-test-coverage --test-coverage-lines=100 --test-coverage-branches=100 --test-coverage-functions=100 --test-coverage-include=src/**",
     "coverage:lcov": "node --run unit -- --test-reporter=lcov --test-reporter-destination=lcov.info",
     "test": "node --run lint && node --run unit",
     "license-checker": "npx license-checker --production --onlyAllow='Apache-2.0;Apache-2.0 WITH LLVM-exception;MIT;ISC;BSD-3-Clause;BSD-2-Clause' --excludePackages 'buffers@0.1.1;event-stream@0.9.8;png-js@0.1.1'",