build: expose feature leveldb_backend

Cargo.toml

@@ -20,6 +20,7 @@ duniter-global = { path = "global" }
 [features]
 bc-writer = ["duniter-dbs-write-ops"]
 explorer = ["duniter-dbs/explorer"]
+leveldb_backend = ["duniter-dbs/leveldb_backend"]
 mem = ["duniter-dbs/mem"]
 mock = ["duniter-global/mock"] 
 

dbs/Cargo.toml

@@ -39,10 +39,9 @@ unwrap = "1.2.1"
 default = ["sled_backend"]
 
 # CAUTION: feature "leveldb_backend" MUST BE DISABLED by default. Uncomment this line for dev/test only ! 
-#default = ["sled_backend", "explorer", "leveldb_backend"]
+#default = ["sled_backend" "leveldb_backend"]
 
 explorer = ["chrono", "kv_typed/explorer"]
 leveldb_backend = ["kv_typed/leveldb_backend"]
 mem = []
-#mock = ["kv_typed/mock", "mockall"]
 sled_backend = ["kv_typed/sled_backend"]