Improve docs, responsive, add Material Icons

Signed-off-by: Hadi <112569860+anotherhadi@users.noreply.github.com>

.github/docs/tools/ghunt.md

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+# `ghunt`
+
+Google account OSINT via GHunt. Extracts profile info, linked services, and activity from a Google email address.
+
+**Source / documentation:** [https://github.com/mxrch/GHunt](https://github.com/mxrch/GHunt)
+
+## Input types
+
+- `email`
+
+## External dependencies
+
+The following binaries must be installed and available in `$PATH`:
+
+- `ghunt`
+
+## Configuration
+
+Configure globally via the Tools page or override per profile.
+
+| Field | Type | Required | Default | Description |
+|-------|------|:--------:|---------|-------------|
+| `creds` | `string` | **yes** | - | GHunt credentials (content of ~/.malfrats/ghunt/creds.m). To obtain: (1) install GHunt and run 'ghunt login' on your machine, (2) copy the full content of ~/.malfrats/ghunt/creds.m, (3) paste it here. |
+
+---
+
+[← Back to tools index](../tools.md)