Add ReadMe

Author: Jaykul

ReadMe.md

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+# PowerShell ErrorView
+
+## A module to help customize your view of Errors in PowerShell
+
+This is a _very_ simple module. It exports one important command: `Format-Error` and a handful of formatting commands:
+
+* `ConvertTo-CategoryErrorView`
+* `ConvertTo-NormalErrorView`
+* `ConvertTo-SimpleErrorView`
+
+But more importantly, _when it's imported_, it allows you to override PowerShell's error formatting by setting the global `$ErrorView` variable to something like "SingleLine" and writing a function `ConvertTo-SingleLineErrorView` (i.e. `ConvertTo-<name>ErrorView`), and of course, it provides a "Simple" error view on top of PowerShell's existing "Normal" and "Category" views.
+
+![Some Examples of Formatted Errors](Resources/screenshot.png "Make sure you try Format-Error!")