Added the release notes MD file and corresponding node entry in the TOC.html file

Author: DeepakRajSundar

Document-Processing/Release-Notes/v31.2.18.md

@@ -0,0 +1,41 @@
+---
+title : Essential Studio® for Document Processing Release Notes - v31.2.18
+description : Learn here about the controls in the Essential Studio® for Document Processing Weekly Nuget Release - Release Notes - v31.2.18
+platform : document-processing
+documentation: ug
+---
+
+# Essential Studio® for Document Processing - v31.2.18 Release Notes
+
+{% include release-info.html date="December 09, 2025"  version="v31.2.18" passed="224223" failed="0" %}
+
+{% directory path: _includes/release-notes/v31.2.18 %}
+
+{% include {{file.url}} %}
+
+{% enddirectory %}
+
+## Test Results
+
+
+
+|     Component   Name         |          Platform                                        |  Test Cases    |  Passed |  Failed  |  Remarks      |
+|------------------------------|----------------------------------------------------------|----------------|---------|----------|---------------|
+| Calculate                    | Windows Forms                                            | 138            | 138     | 0        | All   Passed  |
+| Calculate                    | WPF                                                      | 9              | 9       | 0        | All   Passed  |
+| DOCX Editor(Document Editor) | Blazor                                                   | 1944           | 1944    | 0        | All   Passed  |
+| DOCX Editor(Document Editor) | Web(Javascript, Angular, React, Vue, ASP.NET Core & MVC) | 5023           | 5023    | 0        | All   Passed  |
+| Excel Library                | .NET                                                     | 37776          | 37776   | 0        | All   Passed  |
+| Metafile Renderer            | .NET                                                     | 863            | 863     | 0        | All   Passed  |
+| PDF Library                  | .NET                                                     | 13637          | 13637   | 0        | All   Passed  |
+| Pdf Viewer                   | Web(Javascript, Angular, React, Vue, ASP.NET Core & MVC) | 19140          | 19140   | 0        | All   Passed  |
+| PDF Viewer                   | .NETMAUI                                                 | 14684          | 14684   | 0        | All   Passed  |
+| PdfViewer                    | WPF                                                      | 2998           | 2998    | 0        | All   Passed  |
+| PdfViewer                    | Windows Forms                                            | 207            | 207     | 0        | All   Passed  |
+| PowerPoint Library           | .NET                                                     | 54401          | 54401   | 0        | All   Passed  |
+| SfPdfViewer2                 | Blazor                                                   | 13203          | 13203   | 0        | All   Passed  |
+| SfSpreadsheet                | WPF                                                      | 2699           | 2699    | 0        | All   Passed  |
+| Spreadsheet                  | Blazor                                                   | 2780           | 2780    | 0        | All   Passed  |
+| Spreadsheet                  | Web(Javascript, Angular, React, Vue, ASP.NET Core & MVC) | 10411          | 10411   | 0        | All   Passed  |
+| Word Library                 | .NET                                                     | 39973          | 39973   | 0        | All   Passed  |
+| Word Library                 | Java                                                     | 4079           | 4079    | 0        | All   Passed  |