Update README.md for ScyllaDB (#19)

* Update README.md

* Update docker-compose.yml

* remove unused scylla-manager

scylla/README.md

@@ -2,14 +2,6 @@
 
 with default empty username and password
 
-## Username and Password
-
-```
-set the enviroment 
-TARANTOOL_USER_NAME
-TARANTOOL_USER_PASSWORD
-```
-
 ## Connecting with client
 
 ```

scylla/docker-compose.yml

@@ -3,8 +3,8 @@ version: "3.2"
 services:
 
   scylla-node1:
-    image: scylladb/scylla:4.4.0
-    command: --smp 1 --memory 750M --overprovisioned 1 --api-address 0.0.0.0
+    image: scylladb/scylla:4.5.1
+    command: --smp 1 --memory 750M --overprovisioned 1 --api-address 0.0.0.0 --developer-mode 1
     ports:
       - 9042:9042
       - 9142:9142
@@ -13,8 +13,8 @@ services:
       - 7199:7199
       - 10000:10000
 
-  scylla-manager:
-    image: scylladb/scylla-manager
-    container_name: scylla-manager
-    depends_on:
-      - scylla-node1
+#  scylla-manager:
+#    image: scylladb/scylla-manager
+#    container_name: scylla-manager
+#    depends_on:
+#      - scylla-node1