Static pages update (#299)

I have updated the static pages following @wicker comments on #275

Co-authored-by: Tobias O <tobias.olenyi@envipath.com>
Reviewed-on: enviPath/enviPy#299
Co-authored-by: Liam Brydon <lbry121@aucklanduni.ac.nz>
Co-committed-by: Liam Brydon <lbry121@aucklanduni.ac.nz>

templates/components/footer.html

@@ -17,10 +17,7 @@
     {% endif %}
     <nav>
       <h6 class="footer-title">Company</h6>
-      <a class="link link-hover" href="/about">About us</a>
-      <a class="link link-hover" href="/contact">Contact us</a>
-      <a class="link link-hover" href="/careers">Careers</a>
-      <a class="link link-hover" href="/legal">Legal</a>
+      <a class="link link-hover" href="/about" target="_blank">About us</a>
     </nav>
     <nav>
       <h6 class="footer-title">Legal</h6>