chore: update roadmap content json (#9015)

Co-authored-by: kamranahmedse <4921183+kamranahmedse@users.noreply.github.com>

public/roadmap-content/aws.json

@@ -725,7 +725,7 @@
   },
   "2vQPmVNk1QpMM-15RKG8b": {
     "title": "Metrics",
-    "description": "In Amazon CloudWatch, **metrics** are fundamental concepts that you work with. A metric is the fundamental concept in CloudWatch and represents a time-ordered set of data points that are published to CloudWatch. Think of a metric as a variable to monitor, and the data points as representing the values of that variable over time. Metrics are uniquely defined by a name, a namespace, and zero or more dimensions up to 30 dimensions per metric. Every data point must have a timestamp. You can retrieve statistics about those data points as an ordered set of time-series data. CloudWatch provides metrics for every serviece in AWS.\n\nLearn more from the following resources:",
+    "description": "In Amazon CloudWatch, **metrics** are fundamental concepts that you work with. A metric is the fundamental concept in CloudWatch and represents a time-ordered set of data points that are published to CloudWatch. Think of a metric as a variable to monitor, and the data points as representing the values of that variable over time. Metrics are uniquely defined by a name, a namespace, and zero or more dimensions up to 30 dimensions per metric. Every data point must have a timestamp. You can retrieve statistics about those data points as an ordered set of time-series data. CloudWatch provides metrics for every service in AWS.\n\nLearn more from the following resources:",
     "links": [
       {
         "title": "CloudWatch Metrics",

public/roadmap-content/docker.json

@@ -153,6 +153,11 @@
         "title": "Underlying Technologies - Medium",
         "url": "https://medium.com/@furkan.turkal/how-does-docker-actually-work-the-hard-way-a-technical-deep-diving-c5b8ea2f0422",
         "type": "article"
+      },
+      {
+        "title": "Containers - Namespaces, Cgroups and Overlay Filesystem",
+        "url": "https://www.youtube.com/watch?v=wJdDWc6zO4U",
+        "type": "video"
       }
     ]
   },

public/roadmap-content/sql.json

@@ -107,7 +107,7 @@
     "links": [
       {
         "title": "SQL Operators: 6 Different Types",
-        "url": "https://www.dataquest.io/blog/sql-operators/",
+        "url": "https://dataengineeracademy.com/blog/sql-operators-6-different-types-code-examples/",
         "type": "article"
       }
     ]