fix headers

README.md

@@ -30,8 +30,6 @@ worth building) are at [BADIDEAS.md](BADIDEAS.md).
 - [Email on top of keybase](#email-on-top-of-keybase)
 - [🚀 Newsletters for GitHub](#-newsletters-for-github)
 - [🚀Hacking via OAauth tokens](#hacking-via-oaauth-tokens)
-  - [But OAuth tokens can be revoked](#but-oauth-tokens-can-be-revoked)
-  - [Procedure](#procedure)
 - [Pluggable Notify Daemon for Linux](#pluggable-notify-daemon-for-linux)
 - [🚀Telegram To RSS](#telegram-to-rss)
 - [🎁 Disable Local Fonts Extension](#-disable-local-fonts-extension)
@@ -56,32 +54,14 @@ worth building) are at [BADIDEAS.md](BADIDEAS.md).
 - [SVG to PNG on the Edge](#svg-to-png-on-the-edge)
 - [NammaBescom OCR/Overlay Bot](#nammabescom-ocroverlay-bot)
 - [🎁 Mars: Terraform Remote HTTP Backend with End-to-End encryption](#-mars-terraform-remote-http-backend-with-end-to-end-encryption)
-  - [Why](#why)
-  - [Backend](#backend)
-  - [Extras](#extras)
 - [🎁 iOS OPDS File Provider](#-ios-opds-file-provider)
 - [iOS \*sonic File Provider](#ios-%5Csonic-file-provider)
 - [collaborative-bookmarking](#collaborative-bookmarking)
 - [👩‍🔬 Boardgame AI Gym](#%E2%80%8D-boardgame-ai-gym)
 - [🎁 ✨ Green/Yellow Pages](#--greenyellow-pages)
-  - [API](#api)
-  - [Spam registration](#spam-registration)
-  - [Data Store](#data-store)
-  - [Check](#check)
-  - [Ledger](#ledger)
-  - [Directory](#directory)
-  - [Application](#application)
-  - [Security/Privacy concerns](#securityprivacy-concerns)
-  - [Deregistration](#deregistration)
-  - [Cost of Computation](#cost-of-computation)
-  - [Terms](#terms)
-  - [References](#references)
 - [🎁 communities browser extension](#-communities-browser-extension)
 - [onioncannon](#onioncannon)
-  - [Use Case](#use-case)
 - [🚀PyPi Notifier](#pypi-notifier)
-  - [Sources](#sources)
-  - [Notifications](#notifications)
 - [codenames-ai](#codenames-ai)
 - [Verifiable Code Execution on Cloud](#verifiable-code-execution-on-cloud)
 - [Browser Extension: youtube-cue](#browser-extension-youtube-cue)
@@ -91,6 +71,7 @@ worth building) are at [BADIDEAS.md](BADIDEAS.md).
 - [A Survey of the Electron Supply Chain](#a-survey-of-the-electron-supply-chain)
 - [2fa.wiki](#2fawiki)
 - [Boardgame Rulebook Translation Guide :construction:](#boardgame-rulebook-translation-guide-construction)
+- [A Practical MRNL Service (Mobile Number Revocation List)](#a-practical-mrnl-service-mobile-number-revocation-list)
 - [Licence](#licence)
 
 <!-- END doctoc generated TOC please keep comment here to allow auto update -->