Add immudb to the project list (#1341)

This PR adds immudb to the list of projects and rearranges 
projects in the list based on their popularity on github.

README.md

@@ -751,21 +751,24 @@ above).
 ## Projects Using Badger
 Below is a list of known projects that use Badger:
 
-* [0-stor](https://github.com/zero-os/0-stor) - Single device object store.
 * [Dgraph](https://github.com/dgraph-io/dgraph) - Distributed graph database.
 * [Jaeger](https://github.com/jaegertracing/jaeger) - Distributed tracing platform.
-* [TalariaDB](https://github.com/grab/talaria) - Distributed, low latency time-series database.
-* [Dispatch Protocol](https://github.com/dispatchlabs/disgo) - Blockchain protocol for distributed application data analytics.
+* [go-ipfs](https://github.com/ipfs/go-ipfs) - Go client for the InterPlanetary File System (IPFS), a new hypermedia distribution protocol.
+* [Riot](https://github.com/go-ego/riot) - An open-source, distributed search engine.
+* [emitter](https://github.com/emitter-io/emitter) - Scalable, low latency, distributed pub/sub broker with message storage, uses MQTT, gossip and badger.
 * [OctoSQL](https://github.com/cube2222/octosql) - Query tool that allows you to join, analyse and transform data from multiple databases using SQL.
+* [Dkron](https://dkron.io/) - Distributed, fault tolerant job scheduling system.
 * [Sandglass](https://github.com/celrenheit/sandglass) - distributed, horizontally scalable, persistent, time sorted message queue.
+* [TalariaDB](https://github.com/grab/talaria) - Grab's Distributed, low latency time-series database.
+* [Sloop](https://github.com/salesforce/sloop) - Salesforce's Kubernetes History Visualization Project.
+* [Immudb](https://github.com/codenotary/immudb) - Lightweight, high-speed immutable database for systems and applications.
 * [Usenet Express](https://usenetexpress.com/) - Serving over 300TB of data with Badger.
-* [go-ipfs](https://github.com/ipfs/go-ipfs) - Go client for the InterPlanetary File System (IPFS), a new hypermedia distribution protocol.
 * [gorush](https://github.com/appleboy/gorush) - A push notification server written in Go.
-* [emitter](https://github.com/emitter-io/emitter) - Scalable, low latency, distributed pub/sub broker with message storage, uses MQTT, gossip and badger.
+* [0-stor](https://github.com/zero-os/0-stor) - Single device object store.
+* [Dispatch Protocol](https://github.com/dispatchlabs/disgo) - Blockchain protocol for distributed application data analytics.
 * [GarageMQ](https://github.com/valinurovam/garagemq) - AMQP server written in Go.
 * [RedixDB](https://alash3al.github.io/redix/) - A real-time persistent key-value store with the same redis protocol.
 * [BBVA](https://github.com/BBVA/raft-badger) - Raft backend implementation using BadgerDB for Hashicorp raft.
-* [Riot](https://github.com/go-ego/riot) - An open-source, distributed search engine.
 * [Fantom](https://github.com/Fantom-foundation/go-lachesis) - aBFT Consensus platform for distributed applications.
 * [decred](https://github.com/decred/dcrdata) - An open, progressive, and self-funding cryptocurrency with a system of community-based governance integrated into its blockchain.
 * [OpenNetSys](https://github.com/opennetsys/c3-go) - Create useful dApps in any software language.
@@ -780,9 +783,7 @@ Below is a list of known projects that use Badger:
 * [Surfline](https://www.surfline.com) - Serving global wave and weather forecast data with Badger.
 * [Cete](https://github.com/mosuka/cete) - Simple and highly available distributed key-value store built on Badger. Makes it easy bringing up a cluster of Badger with Raft consensus algorithm by hashicorp/raft. 
 * [Volument](https://volument.com/) - A new take on website analytics backed by Badger.
-* [Sloop](https://github.com/salesforce/sloop) - Kubernetes History Visualization.
 * [KVdb](https://kvdb.io/) - Hosted key-value store and serverless platform built on top of Badger.
-* [Dkron](https://dkron.io/) - Distributed, fault tolerant job scheduling system.
 
 If you are using Badger in a project please send a pull request to add it to the list.