make transistor images work

app/utils/transistor.server.ts

@@ -183,6 +183,12 @@ async function createEpisode({
     const nameYPosition = -textLines + 5.2
     const imageUrl = `https://res.cloudinary.com/kentcdodds-com/image/upload/$th_3000,$tw_3000,$gw_$tw_div_12,$gh_$th_div_12/w_$tw,h_$th,l_kentcdodds.com:social-background/co_white,c_fit,g_north_west,w_$gw_mul_6,h_$gh_mul_2.6,x_$gw_mul_0.8,y_$gh_mul_0.8,l_text:kentcdodds.com:Matter-Medium.woff2_180:${encodedTitle}/c_crop${radius},g_north_west,h_$gh_mul_5.5,w_$gh_mul_5.5,x_$gw_mul_0.8,y_$gh_mul_${avatarYPosition},l_fetch:${encodedAvatar}/co_rgb:a9adc1,c_fit,g_south_west,w_$gw_mul_8,h_$gh_mul_4,x_$gw_mul_0.8,y_$gh_mul_0.8,l_text:kentcdodds.com:Matter-Regular.woff2_120:${encodedUrl}/co_rgb:a9adc1,c_fit,g_south_west,w_$gw_mul_8,h_$gh_mul_4,x_$gw_mul_0.8,y_$gh_mul_${nameYPosition},l_text:kentcdodds.com:Matter-Regular.woff2_140:${encodedName}/c_fit,g_east,w_$gw_mul_11,h_$gh_mul_11,x_$gw,l_kentcdodds.com:illustrations:mic/c_fill,w_$tw,h_$th/kentcdodds.com/social-background.png`
 
+    // warm up the image on cloudinary
+    await fetch(imageUrl, {
+      method: 'HEAD',
+      signal: AbortSignal.timeout(2000),
+    }).catch(() => {})
+
     returnValue.episodeUrl = `${domainUrl}${episodePath}`
     returnValue.imageUrl = imageUrl
     const updateData: TransistorUpdateEpisodeData = {