Added possibility to create hyperlink run in paragraph

src/NPOI.OOXML/XWPF/Usermodel/XWPFParagraph.cs

@@ -1340,6 +1340,26 @@ namespace NPOI.XWPF.UserModel
             return xwpfRun;
         }
 
+        /**
+         * Appends a new hyperlink run to this paragraph
+         *
+         * @return a new hyperlink run
+         */
+        public XWPFHyperlinkRun CreateHyperlinkRun(string rId)
+        {
+            CT_R r = new CT_R();
+            r.AddNewRPr().rStyle = new CT_String() { val = "Hyperlink" };
+
+            CT_Hyperlink1 hl = paragraph.AddNewHyperlink();
+            hl.history = ST_OnOff.on;
+            hl.id = rId;
+            hl.Items.Add(r);
+            XWPFHyperlinkRun xwpfRun = new XWPFHyperlinkRun(hl, r, this);
+            runs.Add(xwpfRun);
+            iRuns.Add(xwpfRun);
+            return xwpfRun;
+        }
+
         /**
          * insert a new Run in RunArray
          * @param pos

src/NPOI.OpenXmlFormats/Wordprocessing/Paragraph.cs

@@ -371,6 +371,17 @@ namespace NPOI.OpenXmlFormats.Wordprocessing
             return r;
         }
 
+        public CT_Hyperlink1 AddNewHyperlink()
+        {
+            CT_Hyperlink1 hl = new CT_Hyperlink1();
+            lock (this)
+            {
+                itemsField.Add(hl);
+                itemsElementNameField.Add(ParagraphItemsChoiceType.hyperlink);
+            }
+            return hl;
+        }
+
         [XmlElement("ItemsElementName", Order = 2)]
         [XmlIgnore]
         public List<ParagraphItemsChoiceType> ItemsElementName