Page up/down keys only scroll one line, home does not jump to top.

**Describe the bug**
In a log or configuration view, pressing the page up or down buttons do not scroll a page.

Also while the "End" button jumps to the bottom, the "Home" button does not jump to the top.

**To Reproduce**
Steps to reproduce the behavior:
1. Go to container config
2. Press page down key.
3. See config scroll 1 line.

**Expected behavior**
Config readout should scroll my one page worth of lines.
Home button should jump from current position to the top.

**Desktop (please complete the following information):**
- OS: PopOS 21.04
- Lazydocker Version 0.12