add sponsor link

Author: aswanthkoleri

index.html

@@ -301,10 +301,10 @@ <h4 align="center">Interested in sponsorsing Hack In The North?<br><br> Please s
                                             </div>
                                             <div class="row">
                                                 <div class="custom-small col-md-offset-1" style="padding-left: 50px;padding-right: 50px;">
-                                                    <a href="https://www.sketchapp.com/"><img class="last-year-spsr" src="static/sponsors/npm.svg" style="margin-top: 40%;"></a>
+                                                    <a href="https://www.npmjs.com/"><img class="last-year-spsr" src="static/sponsors/npm.svg" style="margin-top: 40%;"></a>
                                                 </div>
                                                 <div class="custom-small">
-                                                    <a href="https://www.wolframalpha.com"><img class="last-year-spsr" src="static/sponsors/womenwhocode.png" style="margin-top: 15%;"></a>
+                                                    <a href="https://www.womenwhocode.com/"><img class="last-year-spsr" src="static/sponsors/womenwhocode.png" style="margin-top: 15%;"></a>
                                                 </div>
                                             </div>
                                         </div>
@@ -379,13 +379,13 @@ <h4 align="center">Interested in sponsorsing Hack In The North?<br><br> Please s
                                                     <a href="https://www.sketchapp.com/"><img class="last-year-spsr" src="static/sponsors/sketch.svg" style="max-height: 100px; padding-left: 15%;"></a>
                                                 </div>
                                                 <div class="custom-small">
-                                                    <a href="https://www.sketchapp.com/"><img class="last-year-spsr" src="static/sponsors/restdblogo.png" style="max-height: 100px; padding-left: 15%;"></a>
+                                                    <a href="https://restdb.io/"><img class="last-year-spsr" src="static/sponsors/restdblogo.png" style="max-height: 100px; padding-left: 15%;"></a>
                                                 </div>
                                                 <div class="custom-small" style="padding-left: 90px;padding-right: 90px;margin-top: 10%;">
-                                                    <a href="https://www.sketchapp.com/"><img class="last-year-spsr" src="static/sponsors/npm.svg" style="max-height: 100px;"></a>
+                                                    <a href="https://www.npmjs.com/"><img class="last-year-spsr" src="static/sponsors/npm.svg" style="max-height: 100px;"></a>
                                                 </div>
                                                 <div class="custom-small" style="padding-left: 90px;padding-right: 90px;margin-top: 10%;">
-                                                    <a href="https://www.sketchapp.com/"><img class="last-year-spsr" src="static/sponsors/womenwhocode.png" style="max-height: 100px;"></a>
+                                                    <a href="https://www.womenwhocode.com/"><img class="last-year-spsr" src="static/sponsors/womenwhocode.png" style="max-height: 100px;"></a>
                                                 </div>
                                             </div>
                                         </div>