feat(testplane): docs for saveState and restoreState

Author: rocketraccoon

docs/commands/browser/restoreState.mdx

@@ -0,0 +1,41 @@
+# restoreState
+
+## Overview {#overview}
+
+Browser command that restore session state (cookies, local and session storages) from file or variable.
+
+## Usage {#usage}
+
+You can restore state from file (using `path` param) or from object (using `data` param)
+But if you provide both, file have a highest priority.
+Also you can provide `cookies`, `localStorage` and `sessionStorage` params for restore only that what you need.
+Data for restore state you can get from [saveState](../saveState) command.
+```typescript
+await browser.restoreState({
+    path: './stateDump.json',
+    data: stateDump,
+    cookies: true,
+    localStorage: true,
+    sessionStorage: true,
+});
+```
+
+## Usage Examples {#examples}
+
+Restore state from file
+```typescript
+it("test", async ({ browser }) => {
+    await browser.url("https://github.com/gemini-testing/testplane");
+
+    await browser.restoreState({
+        path: './stateDump.json',
+    });
+
+    // Reload page for see auth result.
+    await browser.refresh();
+});
+```
+
+## Related Commands {#related}
+
+-   [saveState](../saveState)

docs/commands/browser/saveState.mdx

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+# saveState
+
+## Overview {#overview}
+
+Browser command that save session state (cookies, local and session storages).
+
+## Usage {#usage}
+
+Command return state dump from page, it will include cookie, localStorage nad sessionStorage.
+But using params you can disable some data.
+Also if you provide `path` param you can get dump in file.
+After save state you can use it in [restoreState](../restoreState) command.
+```typescript
+import type { SaveStateData } from "testplane";
+
+const stateDump: SaveStateData = await browser.saveState({
+    path: './stateDump.json',
+    cookies: true,
+    localStorage: true,
+    sessionStorage: true,
+});
+```
+
+## Usage Examples {#examples}
+
+Save state in file
+```typescript
+it("test", async ({ browser }) => {
+    await browser.url("https://github.com/gemini-testing/testplane");
+
+    await browser.saveState({
+        path: './stateDump.json',
+    });
+});
+```
+
+## Related Commands {#related}
+
+-   [restoreState](../restoreState)