docs: add readme for consistent spacing rule

Author: davidenke

README.md

@@ -118,6 +118,7 @@ CLI option\
 
 | Rule                                                                                                                                                | Description                                                        | ✅  | 🔧  | 💡  |
 | --------------------------------------------------------------------------------------------------------------------------------------------------- | ------------------------------------------------------------------ | :-: | :-: | :-: |
+| [consistent-spacing-between-blocks](https://github.com/playwright-community/eslint-plugin-playwright/tree/main/docs/rules/consistent-spacing-between-blocks.md) | Enforce consistent spacing between test blocks               | ✅  | 🔧  |     |
 | [expect-expect](https://github.com/playwright-community/eslint-plugin-playwright/tree/main/docs/rules/expect-expect.md)                             | Enforce assertion to be made in a test body                        | ✅  |     |     |
 | [max-expects](https://github.com/playwright-community/eslint-plugin-playwright/tree/main/docs/rules/max-expects.md)                                 | Enforces a maximum number assertion calls in a test body           |     |     |     |
 | [max-nested-describe](https://github.com/playwright-community/eslint-plugin-playwright/tree/main/docs/rules/max-nested-describe.md)                 | Enforces a maximum depth to nested describe calls                  | ✅  |     |     |

docs/rules/consistent-spacing-between-blocks.md

@@ -0,0 +1,54 @@
+# Enforce consistent spacing between test blocks (`enforce-consistent-spacing-between-blocks`)
+
+Ensure that there is a consistent spacing between test blocks.
+
+## Rule Details
+
+Examples of **incorrect** code for this rule:
+
+```javascript
+test('example 1', () => {
+  expect(true).toBe(true)
+})
+test('example 2', () => {
+  expect(true).toBe(true)
+})
+```
+
+```javascript
+test.beforeEach(() => {})
+test('example 3', () => {
+  await test.step('first', async () => {
+    expect(true).toBe(true)
+  })
+  await test.step('second', async () => {
+    expect(true).toBe(true)
+  })
+})
+```
+
+Examples of **correct** code for this rule:
+
+```javascript
+test('example 1', () => {
+  expect(true).toBe(true)
+})
+
+test('example 2', () => {
+  expect(true).toBe(true)
+})
+```
+
+```javascript
+test.beforeEach(() => {})
+
+test('example 3', () => {
+  await test.step('first', async () => {
+    expect(true).toBe(true)
+  })
+
+  await test.step('second', async () => {
+    expect(true).toBe(true)
+  })
+})
+```