feat: angular demo app (#69)

* Add angular-demo template project

- used nativescript-plugin-seed
- upgraded demo to nativescript 6

* Dependency updates

- Angular version update
- Nativescript platform & deps updates

* Implemented angular demo

Author: Nevaan

demo-angular/.editorconfig

@@ -0,0 +1,15 @@
+root = true
+
+[*]
+end_of_line = lf
+insert_final_newline = true
+trim_trailing_whitespace = true
+charset = utf-8
+
+[*.json]
+indent_style = space
+indent_size = 2
+
+[*.ts]
+indent_style = space
+indent_size = 4

demo-angular/.gitignore

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+# NativeScript
+hooks/
+node_modules/
+platforms/
+
+# NativeScript Template
+*.js.map
+*.js
+!webpack.config.js
+
+# Logs
+logs
+*.log
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+
+# General
+.DS_Store
+.AppleDouble
+.LSOverride
+.idea
+.cloud
+.project
+tmp/
+typings/
+
+# Visual Studio Code
+.vscode/*
+!.vscode/settings.json
+!.vscode/tasks.json
+!.vscode/launch.json
+!.vscode/extensions.json

demo-angular/App_Resources/Android/app.gradle

@@ -0,0 +1,21 @@
+// Add your native dependencies here:
+
+// Uncomment to add recyclerview-v7 dependency
+//dependencies {
+//	implementation 'com.android.support:recyclerview-v7:+'
+//}
+
+// If you want to add something to be applied before applying plugins' include.gradle files
+// e.g. project.ext.googlePlayServicesVersion = "15.0.1"
+// create a file named before-plugins.gradle in the current directory and place it there
+
+android {
+  defaultConfig {
+    minSdkVersion 17
+    generatedDensities = []
+    applicationId = "org.nativescript.auth0demo"  
+  }
+  aaptOptions {
+    additionalParameters "--no-version-vectors"
+  }
+}

demo-angular/App_Resources/Android/src/main/AndroidManifest.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+	xmlns:tools="http://schemas.android.com/tools"
+	package="__PACKAGE__"
+	android:versionCode="10000"
+	android:versionName="1.0">
+
+	<supports-screens
+		android:smallScreens="true"
+		android:normalScreens="true"
+		android:largeScreens="true"
+		android:xlargeScreens="true"/>
+
+	<uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE"/>
+	<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>
+	<uses-permission android:name="android.permission.INTERNET"/>
+
+	<application
+		android:name="com.tns.NativeScriptApplication"
+		android:allowBackup="true"
+		android:icon="@drawable/icon"
+		android:label="@string/app_name"
+		android:theme="@style/AppTheme">
+
+		<activity
+			android:name="com.tns.NativeScriptActivity"
+			android:label="@string/title_activity_kimera"
+			android:configChanges="keyboard|keyboardHidden|orientation|screenSize|smallestScreenSize|screenLayout|locale|uiMode"
+			android:theme="@style/LaunchScreenTheme">
+
+			<meta-data android:name="SET_THEME_ON_LAUNCH" android:resource="@style/AppTheme" />
+
+			<intent-filter>
+				<action android:name="android.intent.action.MAIN" />
+				<category android:name="android.intent.category.LAUNCHER" />
+			</intent-filter>
+		</activity>
+		<activity android:name="com.tns.ErrorReportActivity"/>
+
+		<!-- Auth0 -->
+		<activity
+            android:name="org.nativescript.auth0.RedirectActivity"
+            tools:node="replace">
+            <intent-filter>
+                <action android:name="android.intent.action.VIEW" />
+
+                <category android:name="android.intent.category.DEFAULT" />
+                <category android:name="android.intent.category.BROWSABLE" />
+
+                <data
+                    android:host="nativescript.auth0.com"
+                    android:pathPrefix="/android/${applicationId}/callback"
+                    android:scheme="https" />
+            </intent-filter>
+        </activity>
+		<!-- Auth0 -->
+	</application>
+</manifest>