Donald Trump’s new social media app has started its gradual roll-out but thousands of would-be users encountered glitches or found themselves placed on a waitlist on Monday due to what the app called “massive demand”. Devin Nunes, CEO of the Trump Media & Technology Group (TMTG), said the app, called Truth Social, would be “fully operational” by the end of March. TMTG is the parent company of the new app. On Monday morning, Truth Social topped the chart of the most downloaded apps in Apple’s US App Store, beating out the likes of TikTok, YouTube and Instagram. But attempts to…