Added a link to the options page in install and update pages

Author: gsingh93

src/pages/install.html

@@ -12,6 +12,7 @@ <h1>Regex Search 1.7</h1>
     <b>Notes:</b>
     <ul>
         <li>You can open the extension by typing Alt+Shift+F. You can go to the next and previous search results by typing Alt+Shift+N and Alt+Shift+P, respectively. These shortcuts can be configured by going to the bottom of the extensions page and clicking "Keyboard Shortcuts"</li>
+        <li>You can set the default case sensitivity on the <a href="options.html">options page</a></li>
         <li>This extension uses the JavaScript regex engine. I create a regular expression using 'new RegExp(regexp, flags)', where flags are currently either 'g' or 'gi'.</li>
         <li>This extension is open source and the code can be found <a href="https://github.com/gsingh93/regex-search">here</a>. I'd appreciate any help, whether it's adding new features, fixing bugs, or making the extension look better (including this page).</li>
         <li>If you find any bugs, let me know <a href="https://github.com/gsingh93/regex-search/issues">here</a>.</li>

src/pages/update.html

@@ -9,7 +9,7 @@ <h1>Regex Search 1.7</h1>
     <ul>
         <li>Most of the code base has been converted to TypeScript with the help of <a href="https://github.com/ComFreek">ComFreek</a></li>
         <li>Fixed a bug where search doesn't work when changing to a different page.</li>
-        <li>Added an options page where you can set whether you want case insensitive to be on or off by default.</li>
+        <li>Added an <a href="options.html">options page</a> where you can set whether you want case sensitivity to be on or off by default.</li>
     </ul>
     <b>Notes:</b>
     <ul>