Add caching headers for apache (#250)

public/.htaccess

@@ -66,3 +66,62 @@ DirectoryIndex index.php
         # RedirectTemp cannot be used instead
     </IfModule>
 </IfModule>
+
+<IfModule mod_expires.c>
+    ExpiresActive On
+    ExpiresByType image/gif "access plus 1 year"
+    ExpiresByType image/png "access plus 1 year"
+    ExpiresByType image/svg+xml "access plus 1 year"
+    ExpiresByType image/svg "access plus 1 year"
+    ExpiresByType image/jpeg "access plus 1 year"
+    ExpiresByType image/jpg "access plus 1 year"
+    ExpiresByType image/webp "access plus 1 year"
+    ExpiresByType image/x-icon "access plus 1 year"
+    ExpiresByType image/vnd.microsoft.icon "access plus 1 year"
+    ExpiresByType application/javascript "access plus 1 year"
+    ExpiresByType text/javascript "access plus 1 year"
+    ExpiresByType text/css "access plus 1 year"
+    ExpiresByType font/woff2 "access plus 1 year"
+    ExpiresByType font/woff "access plus 1 year"
+    ExpiresByType font/eot "access plus 1 year"
+    ExpiresByType font/ttf "access plus 1 year"
+    ExpiresByType video/mp4 "access plus 1 year"
+</IfModule>
+
+<IfModule mod_headers.c>
+    <filesMatch ".(ico|css|js|gif|webp|jpe?g|png|svg|woff|woff2|eot|ttf|mp4)$">
+        Header set Cache-Control "public, max-age=31536000, immutable"
+    </filesMatch>
+
+    # recommended security headers
+    Header set X-Content-Type-Options "nosniff"
+    Header set X-Frame-Options "sameorigin"
+    Header set X-XSS-Protection "1; mode=block"
+</IfModule>
+
+<IfModule mod_deflate.c>
+    AddOutputFilterByType DEFLATE text/html
+    AddOutputFilterByType DEFLATE application/atom+xml
+    AddOutputFilterByType DEFLATE application/javascript
+    AddOutputFilterByType DEFLATE application/json
+    AddOutputFilterByType DEFLATE application/rss+xml
+    AddOutputFilterByType DEFLATE application/vnd.ms-fontobject
+    AddOutputFilterByType DEFLATE application/x-font-opentype
+    AddOutputFilterByType DEFLATE application/x-font-truetype
+    AddOutputFilterByType DEFLATE application/x-font-ttf
+    AddOutputFilterByType DEFLATE application/x-javascript
+    AddOutputFilterByType DEFLATE application/xhtml+xml
+    AddOutputFilterByType DEFLATE application/xml
+    AddOutputFilterByType DEFLATE font/eot
+    AddOutputFilterByType DEFLATE font/opentype
+    AddOutputFilterByType DEFLATE font/otf
+    AddOutputFilterByType DEFLATE font/truetype
+    AddOutputFilterByType DEFLATE image/svg+xml
+    AddOutputFilterByType DEFLATE image/vnd.microsoft.icon
+    AddOutputFilterByType DEFLATE image/x-icon
+    AddOutputFilterByType DEFLATE image/x-win-bitmap
+    AddOutputFilterByType DEFLATE text/css
+    AddOutputFilterByType DEFLATE text/javascript
+    AddOutputFilterByType DEFLATE text/plain
+    AddOutputFilterByType DEFLATE text/xml
+</IfModule>