chore(backend): Loki configureren

De meeste console statements vervangen door Loki

config/loki/config.yml

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+
+# This is a complete configuration to deploy Loki backed by the filesystem.
+# The index will be shipped to the storage via tsdb-shipper.
+
+auth_enabled: false
+
+server:
+    http_listen_port: 3102
+
+common:
+    ring:
+        instance_addr: 127.0.0.1
+        kvstore:
+            store: inmemory
+    replication_factor: 1
+    path_prefix: /tmp/loki
+
+schema_config:
+    configs:
+        - from: 2020-05-15
+          store: tsdb
+          object_store: filesystem
+          schema: v13
+          index:
+              prefix: index_
+              period: 24h
+
+storage_config:
+    filesystem:
+        directory: /tmp/loki/chunks