feat(cert): Certificates (#16185)

* feat(cert): finished layout and design of legacy certificates

* feat(cert): added new certs

* feat(cert): added logic for new certs

* feat(cert): updated claiming challenges

* feat(cert): fixed various small issues

* feat(cert): completed suggested changes

server/views/certificate/javascript-algorithms-and-data-structures.jade

@@ -0,0 +1,32 @@
+meta(name='viewport', content='width=device-width, initial-scale=1')
+link(rel='stylesheet', href='https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/3.3.7/css/bootstrap.min.css')
+include styles
+
+.certificate-wrapper.container
+	.row
+		header
+			.col-md-5.col-sm-12
+				.logo
+					img(class='img-responsive', src='https://s3.amazonaws.com/freecodecamp/freecodecamp_logo.svg', alt="freeCodeCamp's Logo")
+			.col-md-7.col-sm-12
+				.issue-date Issued 
+					strong #{date}
+
+		section.information
+			.information-container
+				h3 This certifies that
+				h1
+					strong= name
+				h3 has successfully completed freeCodeCamp's
+				h1
+					strong JavaScript Algorithms and Data Structures Certificate
+				h4 1 of 6 freeCodeCamp certificates, representing approximately 300 hours of coursework
+			
+		footer
+			.row.signatures
+				img(class='img-responsive', src='https://i.imgur.com/OJFVJKg.png', alt="Quincy Larson's Signature")
+				p
+					strong Quincy Larson
+				p Executive Director, freeCodeCamp.org
+			.row
+				p.verify Verify this certificate at: https://freecodecamp.org/#{username}/javascript-algorithms-and-data-structures-certification