Escape square brackets in path in PowerShell (#326)

* Escape square brackets in path in PowerShell

* update changelog

CHANGELOG.md

@@ -3,6 +3,7 @@ All notable changes to the "vscode-maven" extension will be documented in this f
 
 #### Fixed
 - Unexpected insertion of code snippets. [#310](https://github.com/microsoft/vscode-maven/issues/310)
+- Cannot create Maven project when target directory has brackets and default shell is PowerShell. [#324](https://github.com/microsoft/vscode-maven/issues/324)
 
 ## 0.16.2
 #### Fixed

src/mavenTerminal.ts

@@ -101,7 +101,10 @@ async function getCDCommand(cwd: string): Promise<string> {
             case WindowsShellType.GIT_BASH:
                 return `cd "${cwd.replace(/\\+$/, "")}"`; // Git Bash: remove trailing '\'
             case WindowsShellType.POWER_SHELL:
-                return `cd "${cwd}"`; // PowerShell
+                // Escape '[' and ']' in PowerShell
+                // See: https://github.com/microsoft/vscode-maven/issues/324
+                const escaped: string = cwd.replace(/([\[\]])/g, "``$1");
+                return `cd "${escaped}"`; // PowerShell
             case WindowsShellType.CMD:
                 return `cd /d "${cwd}"`; // CMD
             case WindowsShellType.WSL: