Add example on TLS configuration

Also, we've muted dead_code warning froms the compiler, temporarily.

Signed-off-by: Sayan Nandan <nandansayan@outlook.com>

examples/config-files/ssl.toml

@@ -0,0 +1,16 @@
+[server]
+host = "127.0.0.1"
+port = 2003
+noart = false
+
+[ssl]
+key = "/path/to/keyfile.pem"
+chain = "/path/to/chain.pem"
+
+[bgsave]
+enabled = true
+every = 120
+
+[snapshot]
+every = 3600
+atmost = 4

server/src/protocol/tls.rs

@@ -19,12 +19,12 @@
  *
 */
 
+#![allow(dead_code)] // TODO: Don't keep clippy quiet!
 use super::deserializer;
 use super::responses;
 use super::IoResult;
 use super::ParseResult;
 use super::QueryResult;
-#[allow(dead_code)] // TODO: Don't keep clippy quiet!
 use crate::dbnet::Terminator;
 use crate::resp::Writable;
 use crate::CoreDB;