Add FinOps, fix cloud-cost section

README.md

@@ -458,6 +458,8 @@ For instance, take into account the snaptshot above. If you already know how to
             * 11:00 - Explanation regarding GA
           * [AWS Global Accelerator](https://www.youtube.com/watch?v=YqcEntZ8pQ4) 📼 🆓
        * VPC - Virtual private Cloud
+          * Network
+            * [Basic Networking](https://www.youtube.com/watch?v=hiKPPy584Mg)
          * [Practical VPC Design](https://aws.amazon.com/blogs/startups/practical-vpc-design/) 📰 🆓
          * Multi-VPC
            * [One to Many: Evolving VPC Design](https://aws.amazon.com/blogs/architecture/one-to-many-evolving-vpc-design) 📰 🆓
@@ -695,8 +697,9 @@ For instance, take into account the snaptshot above. If you already know how to
           * [AWS re:Invent 2019: SaaS tenant isolation patterns](https://www.youtube.com/watch?v=fuDZq-EspNA)
     * Cost
       * Cloud
+        * FinOps
+          * [What is FinOps?](https://www.finops.org/introduction/what-is-finops/) 🆓 📰
+          * [O'Relly - Cloud FinOps](https://www.finops.org/resources/finops-book/) 📕 💰 
           * AWS
             * [Savings Plans vs Reserved Instances](https://www.youtube.com/watch?v=c_zlPQimrvY) 📼 🆓
             * [How to save with AWS Saving Plans](https://www.youtube.com/watch?v=uQ9ry-9uUvo) 📼 🆓
-        * Network
-          * [Basic Networking](https://www.youtube.com/watch?v=hiKPPy584Mg)

resources/topic-graph.mmd

@@ -180,12 +180,16 @@ graph TD
       MON --> Tra[Tracing]
         Tra --> OPT[Open Tracing]
         Tra --> Jae[Jaegger]
-  SRE --> SVL[Serverless]
+    OPS --> SVL[Serverless]
       SVL --> SAM[Serverless Application Model]
       SVL --> LBD[Lambda]
-  SRE --> SEC[Security]
-    SEC --> FIR[Firewall]
-      FIR --> WAF[Web Application Firewall]
       SEC --> ENC[Encryption]
       SEC --> SECMON[Monitoring]
       SEC --> CERT[Certificates]
+    OPS --> SEC[Security]
+      SEC --> FIR[Firewall]
+        FIR --> WAF[Web Application Firewall]
+    OPS --> COST[Cost]
+      COST --> CloudCos[Cloud]
+        CloudCos --> FOps[FinOps]
+          FOps --> AWS