[READY] Update controller-autoconfiguration.md: Documented the new _alt autoconfig variables (#985)

* Update controller-autoconfiguration.md: improve the linuxraw example tables

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fixed the "task_autodetect.c" link

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For android and udev, the value of the input_device variable varies with USB and Bluetooth connections and also changes depending on the Linux kernel version. In contrast, the sdl2 driver maintains a consistent value regardless of whether the connection is USB or Bluetooth or the Linux kernel version.

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  - In GNU/Linux virtual machines using QEMU, js0 is designated for the mouse, so you need to use js1 by running the command: `jstest /dev/input/js1`

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Improved the "Different Controller Driver Usage" section

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added a comparison table to the "Different controller driver usage" section

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Example of Device Indexes for the Nintendo Switch Pro Controller

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fixed footnote links

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fixed footnotes

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improved the "Example of controller with HID and non-HID autoconfigs: Nintendo Switch Pro Controller" section

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Author: davidhedlund