test: add coverage option (#74)

Author: luckasnix

.github/workflows/standard.yml

@@ -27,7 +27,7 @@ jobs:
       - name: Check format, lint and imports
         run: npm run check
       - name: Test
-        run: npm run test
+        run: npm run test:coverage
       - name: Build
         run: npm run build
       - name: Publish

.gitignore

@@ -20,3 +20,6 @@ dist-ssr
 *.njsproj
 *.sln
 *.sw?
+
+# Test coverage
+coverage

biome.json

@@ -1,7 +1,7 @@
 {
   "$schema": "https://biomejs.dev/schemas/1.9.4/schema.json",
   "files": {
-    "ignore": [".husky/**", "dist/**", "node_modules/**"]
+    "ignore": [".husky/**", "coverage/**", "dist/**", "node_modules/**"]
   },
   "organizeImports": {
     "enabled": true