docker/nginx: enable http2.

This fixes #90 and #120

Author: ffreddow

Diff for: docker/nginx/config/default.conf

@@ -33,6 +33,8 @@ server {
 
     ssl_protocols       TLSv1.3 TLSv1.2;
 
+    http2 on;
+
     gzip on;
     gzip_types text/plain text/javascript application/javascript text/css
 

Diff for: docker/nginx/dev-config/default.conf

@@ -68,6 +68,8 @@ server {
     ssl_certificate /usr/share/nginx/certs/cert.pem;
     ssl_certificate_key /usr/share/nginx/certs/key.pem;
 
+    http2 on;
+
     ssl_protocols       TLSv1.3 TLSv1.2;
     ssl_ciphers         HIGH:!aNULL:!MD5;