Added Boot Media guide

CreatingBootMedia.md

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+# How to create an install media
+## From Windows
+1. Install [rufus](https://rufus.ie)
+2. Select the desired device **ensure it is the correct device, all data will be DELETED**
+3. On the right side click `SELECT` and select the desired .iso file
+4. Re-verify correct device and click `START`
+Note, for linux iso files select dd mode when prompted.
+
+## From Linux
+### For linux .iso
+1. use `lsblk` or other methods to determine correct device, such as `sda`
+2. **Ensure it is the correct device, all data will be DELETED**
+3. Ensure the device is not mounted
+4. run `sudo pv -Y -o /dev/sda /path/to/iso` where `sda` is the desired storage device
+
+### For Windows install .iso
+1. use `lsblk` or other methods to determine correct device, such as `sda`
+2. **Ensure it is the correct device, all data will be DELETED**
+3. Ensure the device is not mounted
+4. run `sudo wipefs -a /dev/sda` where sda is the desired device **all data will be deleted**
+5. Use a partition tool such as `cfdisk` to create 2 partitions, the first one will be 2GB big, the other will use the rest of the space.
+6. Assuming the disk is sda (replace to match yours) run
+  - `sudo mkfs.fat -F 32 /dev/sda1`
+  - `sudo mkfs.exfat /dev/sda2` exfat-utils may need to be installed
+7. Mount the iso file to access it
+   1. `sudo mkdir /media/windows-iso`
+   2. `sudo mount /path/to/iso /media/windows-iso`
+8. Mount both partitions
+   1. `sudo mkdir /media/win-boot && sudo mkdir /media/win-data`
+   2. `sudo mount /dev/sda1 /media/win-boot && sudo mount /dev/sda2 /media/win-data`
+9. Copy everything from `/media/windows-iso` **except** for `sources` folder to `/media/win-boot`
+10. Create a `sources` in `/media/win-boot` and copy over `/media/windows-iso/sources/boot.wim` into it.
+11. Copy everything from `/media/windows-iso/` into `/media/win-data`
+12. Unmount everything, USB should now function as a windows install media