Add comprehensive documentation for terminal-ui

- Introduced new documentation files: `Components.md`, `Examples.md`, `Home.md`, `Install.md`, and `index.md`.
- Provided detailed guides on usage, examples, installation, and API components.
- Linked GitHub Pages and repository resources for easy navigation.

docs/Components.md

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+# Components
+
+Overview of what terminal-ui provides. All entry points are on `Terminal.*`.
+
+## Output & text
+
+| API | Description |
+|-----|-------------|
+| `Terminal.print(String)` | Styled text (chain `.color()`, `.bold()`, `.println()`) |
+| `Terminal.rule()` | Horizontal rule (e.g. `====`) |
+| `Terminal.keyValue()` | Key-value pairs |
+| `Terminal.box()` | Box around content |
+
+## Tables & layout
+
+| API | Description |
+|-----|-------------|
+| `Terminal.table()` | Tables with header/rows |
+| `Terminal.tree()` | Tree structure |
+| `Terminal.columns()` | Multi-column layout |
+| `Terminal.steps()` | Step indicator |
+| `Terminal.breadcrumb()` | Breadcrumb trail |
+| `Terminal.toc()` | Table of contents |
+
+## Interactive
+
+| API | Description |
+|-----|-------------|
+| `Terminal.prompt(String)` | Text input (`.ask()`, `.masked().ask()`) |
+| `Terminal.confirm(String)` | Y/n confirmation |
+| `Terminal.menu()` | Numbered menu (`.option()`, `.select()`) |
+| `Terminal.selectList()` | List with arrow keys + Enter |
+| `Terminal.pager()` | Paged output (Enter/arrows/q) |
+
+## Live / progress
+
+| API | Description |
+|-----|-------------|
+| `Terminal.progressBar()` | Progress bar (`.total()`, `.build()`) |
+| `Terminal.spinner()` | Spinning indicator (`.message()`, `.start()`) |
+| `Terminal.dashboard()` | Refreshing widget panel |
+
+## Data & visuals
+
+| API | Description |
+|-----|-------------|
+| `Terminal.diff()` | Diff view |
+| `Terminal.log()` | Log-style output |
+| `Terminal.timeline()` | Timeline |
+| `Terminal.heatmap()` | Heatmap |
+| `Terminal.chart()` | Charts |
+
+## Other
+
+| API | Description |
+|-----|-------------|
+| `Terminal.badge(String, Color)` | Colored badge |
+| `Terminal.notify(String, Type)` | Notification (info/success/warning/error) |
+| `Terminal.code(String)` | Code block with language |
+| `Terminal.sysinfo()` | System info (OS, Java, etc.) |
+| `Terminal.markdown(String)` | Render markdown to terminal |
+
+Use the fluent API from `Terminal.*`. For tests or to disable ANSI, inject a custom `TerminalSupport`.