[NEW-FEATURE] Customizable export/import in AxoData (#126)

* Create draft PR for #112

* Visualization for custom export

* WIP Added option to customize export in DataExchangeView. Implement CSV, TXT exporter and importer.

* WIP changes in custom export. Improved documentations

* Added "tree structure" for custom export in DataExchange

* WIP save and load custom export data in local storage

* Change saving object in local storage. Small changes in appearance of Custom Export

* Repair Date conversion in Exporter of AxoDataExchange

* Tests for Custom Export in AxoDataExchange

* Fixed bugs in export/import in AxoData

---------

Co-authored-by: Brano5 <Brano5@users.noreply.github.com>
Co-authored-by: Branko Zachemsky <bzachemsky@gmail.com>

docfx/articles/data/AxoDataExchange.md

@@ -115,6 +115,12 @@ With this option, buttons for export and import data will appear. After clicking
 
 ![Export](~/images/Export.png)
 
+#### Custom export
+
+You have the option to customize the exported files according to your preferences. This includes selecting specific columns and rows, choosing the desired file type, and specifying the separator. It's important to note that if you don't select all columns for export, importing the files may not be done correctly.
+
+During the importing process, it is crucial to enter the same separator that was used during the export. If the default separator was used during the export, there is no need to make any changes.
+
 For a better user experience, it is strongly recommended to clean the `Temp` directory when starting the application. The best way to do this is to add the following lines to the "Program.cs" file:
 
 ~~~ C#

docs/api/index.html

@@ -17,7 +17,7 @@
     <link rel="stylesheet" href="../styles/custom.css">
     <link href="https://fonts.googleapis.com/css?family=Roboto" rel="stylesheet">  
     <meta property="docfx:navrel" content="../toc.html">
-    <meta property="docfx:tocrel" content="../toc.html">
+    <meta property="docfx:tocrel" content="toc.html">
 
   <meta property="docfx:rel" content="../">
 
@@ -67,7 +67,14 @@
         </div>
       </div>
       <div role="main" class="container body-content hide-when-search">
-        <div class="article row grid">
+
+        <div class="sidenav hide-when-search">
+          <a class="btn toc-toggle collapse" data-toggle="collapse" href="#sidetoggle" aria-expanded="false" aria-controls="sidetoggle">Show / Hide Table of Contents</a>
+          <div class="sidetoggle collapse" id="sidetoggle">
+            <div id="sidetoc"></div>
+          </div>
+        </div>
+        <div class="article row grid-right">
           <div class="col-md-10">
             <article class="content wrap" id="_content" data-uid="">
 <h1 id="ix-api-documentation">IX API Documentation</h1>
@@ -81,7 +88,7 @@ <h1 id="ix-api-documentation">IX API Documentation</h1>
               <div class="contribution">
                 <ul class="nav">
                   <li>
-                    <a href="https://github.com/ix-ax/AXOpen/blob/12-_NEW-FEATURE_Invokable_dialogues_from_PLC/docfx/api/index.md/#L1" class="contribution-link">Improve this Doc</a>
+                    <a href="https://github.com/ix-ax/AXOpen/blob/dev/docfx/api/index.md/#L1" class="contribution-link">Improve this Doc</a>
                   </li>
                 </ul>
               </div>

docs/apictrl/index.html

@@ -88,7 +88,7 @@ <h1 id="ix-api-documentation">IX API Documentation</h1>
               <div class="contribution">
                 <ul class="nav">
                   <li>
-                    <a href="https://github.com/ix-ax/AXOpen/blob/12-_NEW-FEATURE_Invokable_dialogues_from_PLC/docfx/apictrl/index.md/#L1" class="contribution-link">Improve this Doc</a>
+                    <a href="https://github.com/ix-ax/AXOpen/blob/dev/docfx/apictrl/index.md/#L1" class="contribution-link">Improve this Doc</a>
                   </li>
                 </ul>
               </div>