Added examples on how to add comments in different coding languages

Signed-off-by: rakekniven <mark.ziegler@rakekniven.de>

developer_manual/basics/front-end/l10n.rst

@@ -174,6 +174,8 @@ Hints
 
 In case some translation strings may be translated wrongly because they have multiple meanings, you can add hints which will be shown in the Transifex web-interface:
 
+**PHP**
+
 .. code-block:: php
 
     <ul id="translations">
@@ -185,11 +187,39 @@ In case some translation strings may be translated wrongly because they have mul
         </li>
     </ul>
 
+**Javascript**
 
+.. code-block:: javascript
 
+    // TRANSLATORS name that is appended to copied files with the same name, will be put in parenthesis and appened with a number if it is the second+ copy
+    var copyNameLocalized = t('files', 'copy');
+    
+**Vue**
 
+.. code-block:: vue
 
+    <to be added>
 
+**C++ (Qt)**
+
+.. code-block:: c++
+
+    //: Example text: "Syncing 'foo.txt', 'bar.txt'"
+    fileProgressString = tr("Syncing %1").arg(allFilenames);
+
+**Android Strings**
+
+.. code-block:: Android
+
+    <!-- Context comment for translator -->
+    <string name="simple_boards">Boards</string>
+
+**iOS**
+
+.. code-block:: swift
+
+    /* The title on the navigation bar of the Scanning screen. */
+    "wescan.scanning.title"             = "Scanning";
 
 Adding translations
 -------------------