Fix some issues on the PR.

- Make the linter happy.
- Let web pack handle the asset sources.

Author: pixlwave

src/vector/mobile_guide/index.html

@@ -18,7 +18,12 @@
         <div class="mx_HomePage_container">
             <div class="mx_HomePage_header">
                 <div>
-                    <img src="mobile_guide/assets/element-logo.svg" alt="Element Logo" width="148px" height="32px" />
+                    <img
+                        src="<%= require('./assets/element-logo.svg').default %>"
+                        alt="Element Logo"
+                        width="148px"
+                        height="32px"
+                    />
                 </div>
                 <div>
                     <p id="header_title">Join Element.</p>
@@ -40,7 +45,7 @@ <h2 id="step1_heading">Download Element</h2>
                                 id="app_store_link"
                             >
                                 <img
-                                    src="mobile_guide/assets/app-store-badge.svg"
+                                    src="<%= require('./assets/app-store-badge.svg').default %>"
                                     alt="Download on the App Store."
                                     width="120px"
                                     height="40px"
@@ -53,7 +58,7 @@ <h2 id="step1_heading">Download Element</h2>
                                 id="play_store_link"
                             >
                                 <img
-                                    src="mobile_guide/assets/google-play-badge.svg"
+                                    src="<%= require('./assets/google-play-badge.svg').default %>"
                                     alt="Get it on Google Play."
                                     width="135px"
                                     height="40px"

src/vector/mobile_guide/mobile-apps.ts

@@ -54,17 +54,12 @@ export const mobileApps: Record<MobileAppVariant, MobileAppMetadata> = {
     },
 };
 
-export function updateMobilePage(
-    metadata: MobileAppMetadata,
-    deepLinkUrl: string,
-    server: string | undefined,
-): void {
+export function updateMobilePage(metadata: MobileAppMetadata, deepLinkUrl: string, server: string | undefined): void {
     const appleMeta = document.querySelector('meta[name="apple-itunes-app"]') as Element;
     appleMeta.setAttribute("content", `app-id=${metadata.appleAppId}`);
 
     if (server) {
-        (document.getElementById("header_title") as HTMLHeadingElement).innerText =
-            `Join ${server} on Element`;
+        (document.getElementById("header_title") as HTMLHeadingElement).innerText = `Join ${server} on Element`;
     }
     (document.getElementById("app_store_link") as HTMLAnchorElement).href = metadata.appStoreUrl;
     (document.getElementById("play_store_link") as HTMLAnchorElement).href = metadata.playStoreUrl;