docs: fix some typos in angular.io examples (#41093)

This commit updates example code to make the spacing more consistent.

PR Close #41093

aio/content/examples/upgrade-phonecat-2-hybrid/karma-test-shim.1.js

@@ -62,7 +62,7 @@ function importSystemJsExtras(){
   });
 }
 
-function initTestBed(){
+function initTestBed() {
   return Promise.all([
     System.import('@angular/core/testing'),
     System.import('@angular/platform-browser-dynamic/testing')
@@ -79,7 +79,7 @@ function initTestBed(){
 }
 
 // Import all spec files and start karma
-function initTesting () {
+function initTesting() {
   return Promise.all(
     allSpecFiles.map(function (moduleName) {
       return System.import(moduleName);

aio/content/examples/what-is-angular/src/app/hello-world-di/hello-world-di.component.ts

@@ -11,7 +11,7 @@ export class HelloWorldDependencyInjectionComponent  {
   constructor(private logger: Logger) {
   }
 
-  onLogMe(){
+  onLogMe() {
     this.logger.writeCount(this.count);
     this.count++;
   }

aio/content/examples/what-is-angular/src/app/hello-world-ngif/hello-world-ngif.component.ts

@@ -9,7 +9,7 @@ export class HelloWorldNgIfComponent {
   message = 'I\'m read only!';
   canEdit = false;
 
-  onEditClick(){
+  onEditClick() {
     this.canEdit = !this.canEdit;
     if (this.canEdit) {
       this.message = 'You can edit me!';

aio/content/examples/what-is-angular/src/app/hello-world-template.component.ts

@@ -13,7 +13,7 @@ import { Component } from '@angular/core';
   export class HelloWorldTemplateComponent {
     message = 'I am read only!';
     canEdit = false;
-    onEditClick(){
+    onEditClick() {
       this.canEdit = !this.canEdit;
       if (this.canEdit) {
         this.message = 'You can edit me!';

packages/common/src/i18n/locale_data_api.ts

@@ -122,7 +122,7 @@ export enum NumberSymbol {
   /**
    * Decimal separator.
    * For `en-US`, the dot character.
-   * Example : 2,345`.`67
+   * Example: 2,345`.`67
    */
   Decimal,
   /**