Created SSL support (markdown)

SSL-support.md

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+
+### connect to self signed Postgresql server
+
+Use following config to connect a Postgresql Server self signed:
+
+```
+var config = {
+    database : 'database-name', //env var: PGDATABASE
+    host     : "host-or-ip",    //env var: PGPORT
+    port     : 5432,            //env var: PGPORT
+    max      : 100,             // max number of clients in the pool
+    idleTimeoutMillis: 30000,
+    ssl : {
+        rejectUnauthorized : false,
+        ca   : fs.readFileSync("/path/to/server-certificates/maybe/root.crt").toString(),
+        key  : fs.readFileSync("/path/to/client-key/maybe/postgresql.key").toString(),
+        cert : fs.readFileSync("/path/to/client-certificates/maybe/postgresql.crt").toString(),
+    }
+};
+
+```
+
+For more information about `config.ssl` check [TLS (SSL) of nodejs](https://nodejs.org/dist/latest-v4.x/docs/api/tls.html)