$arch.r.d.n: add links to db backups

Signed-off-by: Holger Levsen <holger@layer-acht.org>

hosts/osuosl5-amd64/var/www/html/index_amd64.html

@@ -204,6 +204,7 @@
 	    <a href="/stats/">Statistics about BAD packages</a> on amd64.
 	    <br/>
 	    <a href="/api/v0/pkgs/list">/api/v0/pkgs/list</a> (JSON)
+	    / <a href="/stats/db-backup/">rebuilderd database backups</a>
 	    <br/>
 	    <code>
 		# How to judge your own systen:

hosts/osuosl5-amd64/var/www/html/index_arm64.html

@@ -204,6 +204,7 @@
 	    <a href="/stats/">Statistics about BAD packages</a> on arm64.
 	    <br/>
 	    <a href="/api/v0/pkgs/list">/api/v0/pkgs/list</a> (JSON)
+	    / <a href="/stats/db-backup/">rebuilderd database backups</a>
 	    <br/>
 	    <code>
 		# How to judge your own systen:

hosts/osuosl5-amd64/var/www/html/index_armhf.html

@@ -204,6 +204,7 @@
 	    <a href="/stats/">Statistics about BAD packages</a> on armhf.
 	    <br/>
 	    <a href="/api/v0/pkgs/list">/api/v0/pkgs/list</a> (JSON)
+	    / <a href="/stats/db-backup/">rebuilderd database backups</a>
 	    <br/>
 	    <code>
 		# How to judge your own systen:

hosts/osuosl5-amd64/var/www/html/index_i386.html

@@ -204,6 +204,7 @@
 	    <a href="/stats/">Statistics about BAD packages</a> on i386.
 	    <br/>
 	    <a href="/api/v0/pkgs/list">/api/v0/pkgs/list</a> (JSON)
+	    / <a href="/stats/db-backup/">rebuilderd database backups</a>
 	    <br/>
 	    <code>
 		# How to judge your own systen:

hosts/osuosl5-amd64/var/www/html/index_riscv64.html

@@ -204,6 +204,7 @@
 	    <a href="/stats/">Statistics about BAD packages</a> on riscv64.
 	    <br/>
 	    <a href="/api/v0/pkgs/list">/api/v0/pkgs/list</a> (JSON)
+	    / <a href="/stats/db-backup/">rebuilderd database backups</a>
 	    <br/>
 	    <code>
 		# How to judge your own systen: