fix: correct paste image extension settings

The previous workspace settings for the Paste Image extension didn't
work correctly, so have been corrected to both use the root `images/`
directory and enable the pattern to be inserted onto multiple lines when
added to a `.tex` document.

Author: NathanielJS1541

.vscode/settings.json

@@ -10,8 +10,8 @@
     "latex-workshop.latex.clean.subfolder.enabled": true,
     "latex-workshop.latex.outDir": "%DIR%/build",
     "markdown.extension.toc.levels": "2..6",
-    "pasteImage.insertPattern": "\"\\\\begin{center}\\n\\t\\t\\\\includegraphics[width=\\\\linewidth]{${imageSyntaxPrefix}${imageFilePath}${imageSyntaxSuffix}}\\n\\t\\\\end{center}\"",
-    "pasteImage.path": "${currentFileDir}/images",
+    "pasteImage.insertPattern": "\\begin{center}\n    \\includegraphics[width=\\linewidth]{${imageSyntaxPrefix}${imageFilePath}${imageSyntaxSuffix}}\n\\end{center}",
+    "pasteImage.path": "${projectRoot}/images",
     "pasteImage.showFilePathConfirmInputBox": true,
     "trailing-spaces.deleteModifiedLinesOnly": true
 }