Add rule customization docs for jest and vitest configs

Author: matejchalk

docs/jest.md

@@ -14,7 +14,12 @@ Config for projects using **Jest** for testing.
 
    ```jsonc
    {
-     "extends": ["@code-pushup/eslint-config/jest"]
+     "extends": ["@code-pushup/eslint-config/jest"],
+     // customize rules if needed:
+     "rules": {
+       // e.g. to customize `test` or `it` usage (default is `it` in `describe` and `test` at top-level):
+       "jest/consistent-test-it": ["warn", { "fn": "test", "withinDescribe": "test" }]
+     }
    }
    ```
 

docs/vitest.md

@@ -14,7 +14,17 @@ Config for projects using **Vitest** for testing.
 
    ```jsonc
    {
-     "extends": ["@code-pushup/eslint-config/vitest"]
+     "extends": ["@code-pushup/eslint-config/vitest"],
+     // customize rules if needed:
+     "rules": {
+       // e.g. to customize file naming convention (default pattern is ".*\\.spec\\.[tj]sx?$"):
+       "vitest/consistent-test-filename": [
+         "warn",
+         { "pattern": ".*\\.(unit|integration|e2e)\\.test\\.ts$" }
+       ],
+       // e.g. to customize `test` or `it` usage (default is `it` in `describe` and `test` at top-level):
+       "vitest/consistent-test-it": ["warn", { "fn": "test", "withinDescribe": "test" }]
+     }
    }
    ```
 

scripts/helpers/configs.js

@@ -147,6 +147,23 @@ const angularExtraEslintrc = `,
 const configsExtraEslintrc = {
   angular: angularExtraEslintrc,
   'angular-ngrx': angularExtraEslintrc,
+  jest: `,
+  // customize rules if needed:
+  "rules": {
+    // e.g. to customize \`test\` or \`it\` usage (default is \`it\` in \`describe\` and \`test\` at top-level):
+    "jest/consistent-test-it": ["warn", { "fn": "test", "withinDescribe": "test" }]
+  }`,
+  vitest: `,
+  // customize rules if needed:
+  "rules": {
+    // e.g. to customize file naming convention (default pattern is ".*\\\\.spec\\\\.[tj]sx?$"):
+    "vitest/consistent-test-filename": [
+      "warn",
+      { "pattern": ".*\\\\.(unit|integration|e2e)\\\\.test\\\\.ts$" }
+    ],
+    // e.g. to customize \`test\` or \`it\` usage (default is \`it\` in \`describe\` and \`test\` at top-level):
+    "vitest/consistent-test-it": ["warn", { "fn": "test", "withinDescribe": "test" }]
+  }`,
 };
 
 /**