Documentation updates

docs/Installation.md

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+### Required Hardware
+KlipperScreen should run on any HDMI touchscreen that you can connect to a computer. The required video driver may
+be slightly different depending on what model you get. I am developing on a 1024x600 resolution screen. Due to this,
+other resolutions may not be scaled properly at this moment. UI scaling is a future development item.
+
+#### Configure Hardware
+
+Add the following to _/boot/config.txt_. You can alter the hdmi_cvt to your screen specifications. This example is setup
+for a resolution of 1024x600 and a refresh rate of 60hz.
+```
+hdmi_cvt=1024 600 60 6 0 0 0
+hdmi_group=2
+hdmi_mode=87
+hdmi_drive=2
+```
+* Development has been using 1024x600 for a screen resolution. Other resolutions may have issues currently
+
+After changing _/boot/config.txt_ you must reboot your raspberry pi. Please also ensure you followed setting up your screen via the screen instructions. This will likely have a xorg.conf.d file for input from the touchscreen that you need to create.
+
+### Installation
+
+Follow the instructions to install klipper and moonraker.
+klipper: https://github.com/KevinOConnor/klipper/
+moonraker: https://github.com/Arksine/moonraker
+
+Ensure that 127.0.0.1 is a trusted client for moonraker, such as in this example:
+```
+[authorization]
+trusted_clients:
+  127.0.0.1
+```
+
+For moonraker, ensure that 127.0.0.1 is a trusted client:
+
+Run _scripts/KlipperScreen-install.sh_
+This script will install packages that are listed under manual install, create a
+python virtual environment at ${HOME}/.KlipperScreen-env and install a systemd
+service file.
+
+As an option to do development or interact with KlipperScreen from your computer, you may install tigervnc-scraping-server and VNC to your pi instance. Follow tigervnc server setup procedures for details on how to do that.