updated contents and add PWA

Author: santoshyadavdev

.vscode/settings.json

@@ -0,0 +1,19 @@
+{
+    "workbench.colorCustomizations": {
+        "activityBar.activeBackground": "#2f7c47",
+        "activityBar.activeBorder": "#422c74",
+        "activityBar.background": "#2f7c47",
+        "activityBar.foreground": "#e7e7e7",
+        "activityBar.inactiveForeground": "#e7e7e799",
+        "activityBarBadge.background": "#422c74",
+        "activityBarBadge.foreground": "#e7e7e7",
+        "statusBar.background": "#215732",
+        "statusBar.foreground": "#e7e7e7",
+        "statusBarItem.hoverBackground": "#2f7c47",
+        "titleBar.activeBackground": "#215732",
+        "titleBar.activeForeground": "#e7e7e7",
+        "titleBar.inactiveBackground": "#21573299",
+        "titleBar.inactiveForeground": "#e7e7e799"
+    },
+    "peacock.color": "#215732"
+}

README.md

@@ -8,6 +8,7 @@ The Course contains, below Topics:
 # Setup Development Environment
 * Installing Nodejs
 * Installing VSCode
+* Why Nodejs/npm
 
 # Typescript Basics
 * Installing Typescript
@@ -53,15 +54,16 @@ The Course contains, below Topics:
     - Property Binding
     - Event Binding
 * Directives
+    - Introduction
+        - Structural Directives
+        - Attribute Directives
     - Built-in directives
         - *ngIf
         - *ngFor
         - *ngSwitch
         - ngClass
         - ngStyle
-    - Structural Directives
-    - Attribute Directives
-    - Writing Custom Directives
+
 # Component Lifecycle Hooks and Component Communication
 * ngOnInit
 * ngOnChanges
@@ -139,6 +141,7 @@ The Course contains, below Topics:
     - Validating Forms
     - Submit and reset forms
     - Custom Pipe demo with Forms
+    - Writing a custom directive
     - Writing Custom validator
 
 * Reactive Forms
@@ -192,3 +195,8 @@ The Course contains, below Topics:
 * Configure build for multiple configuration
 * ng update
 * Deploying your Angular App 
+
+# PWA
+* Introduction
+* Making your App PWA
+* Deploying and Tesging the PWA