Adds utm tracking to tutorial video links

Author: d13

src/webviews/apps/home/home.html

@@ -167,7 +167,7 @@ <h1 class="alert__title">Get Started with GitLens</h1>
 							<gl-button
 								appearance="secondary"
 								density="compact"
-								href="https://www.youtube.com/watch?v=UQPb73Zz9qk"
+								href="https://www.youtube.com/watch?v=UQPb73Zz9qk?utm_source=gitlens-extension&utm_medium=home_banner"
 								title="Watch the GitLens Tutorial video"
 								aria-label="Watch the GitLens Tutorial video"
 								><code-icon icon="vm-running"></code-icon
@@ -417,7 +417,7 @@ <h2 class="nav-list__title t-eyebrow">Getting Started</h2>
 				>
 				<a
 					class="nav-list__item"
-					href="https://www.youtube.com/watch?v=UQPb73Zz9qk"
+					href="https://www.youtube.com/watch?v=UQPb73Zz9qk?utm_source=gitlens-extension&utm_medium=home_link"
 					title="Watch the GitLens Tutorial video"
 					aria-label="Watch the GitLens Tutorial video"
 					><code-icon class="nav-list__icon" icon="vm-running"></code-icon

src/webviews/apps/welcome/components/video-button.ts

@@ -89,7 +89,7 @@ export class VideoButton extends LitElement {
 		return html`
 			<a
 				class="video-button"
-				href="https://www.youtube.com/watch?v=UQPb73Zz9qk"
+				href="https://www.youtube.com/watch?v=UQPb73Zz9qk?utm_source=gitlens-extension&amp;utm_medium=welcome_banner"
 				aria-label="Watch the Tutorial video"
 				title="Watch the Tutorial video"
 			>