tdf#155877 Fix broken links in Insert Menu help pages

Add howtoget information for help pages

Change-Id: I7e26667c5b2d670698b1a1f8875682560c889edd
Reviewed-on: https://gerrit.libreoffice.org/c/help/+/162138
Tested-by: Jenkins
Reviewed-by: Olivier Hallot <olivier.hallot@libreoffice.org>
diff --git a/source/text/shared/01/formatting_mark.xhp b/source/text/shared/01/formatting_mark.xhp
index 3ac2d0a..0e3d033 100644
--- a/source/text/shared/01/formatting_mark.xhp
+++ b/source/text/shared/01/formatting_mark.xhp
@@ -58,11 +58,12 @@

<h2 id="hd_id3306680">Soft hyphen</h2>
<paragraph id="par_id9407330" role="paragraph"><ahelp hid=".">Inserts an invisible optional hyphen within a word that will appear and create a line break once it becomes the last character in a line.</ahelp></paragraph>
<bookmark branch="hid/.uno:InsertZWSP" id="bm_id1068758" localize="false"/>

<bookmark  branch="hid/.uno:InsertNarrowNobreakSpace" id="bm_id81705524304444" localize="false"/>  
<h2 id="hd_id561694945005291">Narrow no-break space</h2>
<paragraph role="paragraph" id="par_id231694945031123">Inserts a narrow version of the no-break space. The inserted character is Unicode <literal>U+202F</literal>.</paragraph>

<bookmark branch="hid/.uno:InsertZWSP" id="bm_id1068758" localize="false"/>  
<h2 id="hd_id2295907">Zero-width space</h2>
<paragraph id="par_id1536301" role="paragraph"><ahelp hid=".">Inserts an invisible space within a word that indicates a word or line break opportunity, even though no space is shown. The inserted character, which has no width, is Unicode <literal>U+200B</literal>.</ahelp></paragraph>
<bookmark branch="hid/.uno:InsertWJ" id="bm_id8484450" localize="false"/>
diff --git a/source/text/shared/01/qrcode.xhp b/source/text/shared/01/qrcode.xhp
index 580e14e..c9f7121 100644
--- a/source/text/shared/01/qrcode.xhp
+++ b/source/text/shared/01/qrcode.xhp
@@ -16,6 +16,7 @@
        </topic>
    </meta>
    <body>
    <bookmark  branch="hid/.uno:InsertQrCode" id="bm_id31705600197597" localize="false"/>
    <bookmark xml-lang="en-US" branch="index" id="bm_id901566317201860">
        <bookmark_value>QR code;barcode</bookmark_value>
    </bookmark>