Revert "Moves Navi plugin to its own repository"

This reverts commit 2bb57a23b8.

shell/navi.plugin/navi.plugin.psd1

@@ -0,0 +1,26 @@
+#
+# Module manifest for module 'navi.plugin'
+#
+# Generated by: Alexis Opolka (@alexis-opolka)
+
+
+@{
+RootModule = './navi.plugin.psm1'
+ModuleVersion = '1.0'
+GUID = '59287935-a9b6-4a7f-a1f5-bd6180d9056f'
+Author = 'Alexis-Opolka'
+Description = 'A powershell module that integrates with navi. It makes you able to access navi with the Ctrl+G keybinding.'
+CompanyName = 'None'
+Copyright = '(c) Alexis Opolka & Navi contributors. All rights reserved.'
+FunctionsToExport = @('Invoke-NaviWidget')
+CmdletsToExport = @()
+VariablesToExport = '*'
+AliasesToExport = @()
+PrivateData = @{
+    PSData = @{
+    }
+}
+### Here should go the HelpInfo XML file if it's supported in
+### a later version.
+HelpInfoURI = ''
+}

shell/navi.plugin/navi.plugin.psm1

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+
+[CmdletBinding()]
+param (
+    ### Should we debug this PS Script ?
+    ### Caution: Set-PSDebug is not limited to this script but enables session-wide calls
+    ### Be sure to disable Verbose output before calling any other shell modules or scripts.
+    [Parameter()]
+    [bool]
+    $VerboseOutput
+)
+
+if ($VerboseOutput) {
+    ### Outputs the running code if required
+    ###
+    ### For more details on how it works, please see:
+    ### - https://stackoverflow.com/a/41334715/13025136
+    ###   An answer and explaination from @michael-sorens (https://stackoverflow.com/users/115690/michael-sorens)
+    ###   on how Set-PSDebug relates to set-x in LINUX/UNIX environments.
+    ###
+    ### - https://learn.microsoft.com/en-us/powershell/module/microsoft.powershell.core/set-psdebug?view=powershell-7.4
+    ###   Microsoft's Reference and documentation for the `Set-PSDebug` function.
+    Set-PSDebug -Trace 1
+} else {
+    Set-PSDebug -Trace 0
+}
+
+
+### Initial code from @lurebat (https://github.com/lurebat/)
+### See #570 (https://github.com/denisidoro/navi/issues/570) for its original contribution
+function Invoke-NaviWidget {
+    $ast = $tokens = $errors = $cursor = $null
+    [Microsoft.PowerShell.PSConsoleReadLine]::GetBufferState([ref] $ast, [ref] $tokens, [ref] $errors, [ref] $cursor)
+
+    $line = $ast.ToString().Trim()
+    $output = $null
+
+    if ([String]::IsNullOrEmpty($line)) {
+        $output = navi --print
+    }
+    else {
+        $best_match = (navi --print --best-match --query $line | Out-String).Trim()
+        if ([String]::IsNullOrEmpty($best_match)) {
+            $output = (navi --print --query "$line" | Out-String).Trim()
+        }
+        else {
+            $output = $best_match
+        }
+    }
+
+    [Microsoft.PowerShell.PSConsoleReadLine]::RevertLine()
+
+    ### Handling the case when the user escapes without selecting any entry
+    if (-Not([String]::IsNullOrEmpty($output))) {
+        [Microsoft.PowerShell.PSConsoleReadLine]::Insert([String]$output)
+    }
+}