add symlink to sitemaps

.gitignore

@@ -1,13 +1,11 @@
 .idea
 src/data/issues/*/*.json
 src/data/pages/*.json
-src/tmp/templates_cache/*
-src/tmp/github_api_cache/*
+src/tmp/
 !src/tmp/templates_cache/.gitkeep
 !src/tmp/github_api_cache/.gitkeep
 src/vendor
 src/composer.phar
 src/config/config.php
 src/node_modules/
-src/public/css/style.*
-src/tmp/sitemap-index.xml
+src/public/css/style.*

src/public/sitemap-index.xml

@@ -0,0 +1 @@
+../tmp/sitemap-index.xml

src/public/sitemap.xml

@@ -0,0 +1 @@
+../tmp/sitemap.xml