Add loki to logs management

content/roadmaps/102-devops/content-paths.json

@@ -159,6 +159,7 @@
   "monitoring:logs-management:elastic-stack": "/roadmaps/102-devops/content/107-monitoring/102-logs-management/100-elastic-stack.md",
   "monitoring:logs-management:graylog": "/roadmaps/102-devops/content/107-monitoring/102-logs-management/101-graylog.md",
   "monitoring:logs-management:splunk": "/roadmaps/102-devops/content/107-monitoring/102-logs-management/102-splunk.md",
+  "monitoring:logs-management:loki": "/roadmaps/102-devops/content/107-monitoring/102-logs-management/103-loki.md",
   "monitoring:logs-management:papertrail": "/roadmaps/102-devops/content/107-monitoring/102-logs-management/102-papertrail.md",
   "cloud-providers": "/roadmaps/102-devops/content/108-cloud-providers/readme.md",
   "cloud-providers:aws": "/roadmaps/102-devops/content/108-cloud-providers/100-aws.md",

content/roadmaps/102-devops/content/107-monitoring/102-logs-management/103-loki.md

@@ -0,0 +1,7 @@
+# Loki
+
+Loki is a horizontally scalable, highly available, multi-tenant log aggregation system inspired by Prometheus. It is designed to be very cost-effective and easy to operate. It does not index the contents of the logs, but rather a set of labels for each log stream.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='blue' badgeText='Loki Website' href='https://grafana.com/oss/loki/'>Loki Website</BadgeLink>
+<BadgeLink colorScheme='blue' badgeText='Read' href='https://grafana.com/docs/loki/latest/?pg=oss-loki&plcmt=quick-links'>Official Documentation</BadgeLink>