docs: add index for 100 level learning path (#3)

100-level-AsyncAPI-Intro/index.json

@@ -0,0 +1,31 @@
+{
+    "title": "100 Level AsyncAPI Intro",
+    "description": "Introduction of AsyncAPI - 100 Level",
+    "details": {
+        "intro": {
+          "text": "intro.md",
+          "foreground": "setup_node.sh"
+        },
+        "steps": [
+          {
+            "title": "Event-Driven Architectures",
+            "text": "step1.md"
+          },
+          {
+            "title": "AsyncAPI Specification",
+            "text": "step2.md"
+          },
+          {
+            "title": "Creating and Validating AsyncAPI Code and Documents",
+            "text": "step3.md"
+          }
+        ],
+        "finish": {
+          "text": "finish.md"
+        }
+      },
+      "backend": {
+        "imageid": "ubuntu"
+      }
+    }
+

100-level-AsyncAPI-Intro/setup_node.sh

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+#!/bin/bash
+
+# Install necessary prerequisites
+echo "We are going to install Nodejs and NPM first."
+curl --silent -sL https://deb.nodesource.com/setup_current.x -o /tmp/nodesource_setup.sh
+bash /tmp/nodesource_setup.sh
+apt-get install -y -q nodejs
+
+# Install AsyncAPI CLI
+echo "Installing AsyncAPI CLI..."
+npm install -g @asyncapi/[email protected]
+echo "All set!!"