Merge product/wsl/readme/6.6 into v6.6.36

* commit 'e8bb7797885b28a31b42891d1002ddc17ec926ef':
  README.md: include building step for modifying configs
  README.md: Add dwarves to list of build dependencies
  README.md: Improve the structure of the file
  README.md: Consolidate WSL specific instructions
  Update README
  Update README
  Add build instructions for WSL2

Author: kelsey-steele

README-Microsoft.WSL2

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+README.md

README.md

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+# Introduction
+
+The [WSL2-Linux-Kernel][wsl2-kernel] repo contains the kernel source code and
+configuration files for the [WSL2][about-wsl2] kernel.
+
+# Reporting Bugs
+
+If you discover an issue relating to WSL or the WSL2 kernel, please report it on
+the [WSL GitHub project][wsl-issue]. It is not possible to report issues on the
+[WSL2-Linux-Kernel][wsl2-kernel] project.
+
+If you're able to determine that the bug is present in the upstream Linux
+kernel, you may want to work directly with the upstream developers. Please note
+that there are separate processes for reporting a [normal bug][normal-bug] and
+a [security bug][security-bug].
+
+# Feature Requests
+
+Is there a missing feature that you'd like to see? Please request it on the
+[WSL GitHub project][wsl-issue].
+
+If you're able and interested in contributing kernel code for your feature
+request, we encourage you to [submit the change upstream][submit-patch].
+
+# Build Instructions
+
+Instructions for building an x86_64 WSL2 kernel with an Ubuntu distribution are
+as follows:
+
+1. Install the build dependencies:  
+   `$ sudo apt install build-essential flex bison dwarves libssl-dev libelf-dev`
+
+2. Modify WSL2 kernel configs (optional):  
+   `$ make menuconfig KCONFIG_CONFIG=Microsoft/config-wsl`
+
+   Loadable module support is disabled when using a custom built kernel. Set any modules you want to be built-in before building.
+
+3. Build the kernel using the WSL2 kernel configuration:  
+   `$ make KCONFIG_CONFIG=Microsoft/config-wsl`
+
+# Install Instructions
+
+Please see the documentation on the [.wslconfig configuration
+file][install-inst] for information on using a custom built kernel.
+
+[wsl2-kernel]:  https://github.com/microsoft/WSL2-Linux-Kernel
+[about-wsl2]:   https://docs.microsoft.com/en-us/windows/wsl/about#what-is-wsl-2
+[wsl-issue]:    https://github.com/microsoft/WSL/issues/new/choose
+[normal-bug]:   https://www.kernel.org/doc/html/latest/admin-guide/bug-hunting.html#reporting-the-bug
+[security-bug]: https://www.kernel.org/doc/html/latest/admin-guide/security-bugs.html
+[submit-patch]: https://www.kernel.org/doc/html/latest/process/submitting-patches.html
+[install-inst]: https://docs.microsoft.com/en-us/windows/wsl/wsl-config#configure-global-options-with-wslconfig