Improve documentation (#5)

* Improve documentation

* Extend feature section
* Improve getting started instructions

* Extend README.md

* Minor change

* Refactor list

README.md

@@ -4,12 +4,40 @@
 		<strong>Privacy-first Portfolio Tracker</strong>
 	</p>
   <p>
-    <a href="https://www.ghostfol.io"><strong>Ghostfolio</strong></a>
+    <a href="https://www.ghostfol.io"><strong>Live Demo</strong></a>
   </p>
 </div>
 
+**Ghostfolio** is a privacy-first portfolio tracker. It empowers busy folks to have a sharp look of their financial assets and to make solid, data-driven investment decisions by evaluating automated Static Portfolio Analysis Rules.
+
+## Why Ghostfolio?
+
+Ghostfolio is for you if you are...
+
+- 💼 trading stocks, ETFs or cryptocurrencies on multiple platforms
+
+- 🏦 pursuing a buy & hold strategy
+
+- 🎯 interested in getting insights of your portfolio composition
+
+- 👻 valuing privacy and data ownership
+
+- 🧘 into minimalism
+
+- 🧺 caring about diversifying your financial resources
+
+- 🆓 interested in financial independence
+
+- 🙅 saying no to spreadsheets in 2021
+
+- 😎 still reading this list
+
 ## Features
 
+- ✅ Create, update and delete transactions
+- ✅ Portfolio performance (`Today`, `YTD`, `1Y`, `5Y`, `Max`)
+- ✅ Various charts
+- ✅ Static analysis to identify potential risks in your portfolio
 - ✅ Dark Mode
 
 ## Getting Started
@@ -25,10 +53,10 @@
 1. Run `yarn install`
 2. Run `cd docker`
 3. Run `docker compose build`
-4. Run `docker compose up -d`
-5. Run `yarn setup:database`
+4. Run `docker compose up -d` to start [PostgreSQL](https://www.postgresql.org) and [Redis](https://redis.io)
+5. Run `yarn setup:database` to initialize the database schema and populate your database with (example) data
 6. Start server and client (see _Development_)
-7. Login as _Admin_ with the `Security Token`: `ae76872ae8f3419c6d6f64bf51888ecbcc703927a342d815fafe486acdb938da07d0cf44fca211a0be74a423238f535362d390a41e81e633a9ce668a6e31cdf9`
+7. Login as _Admin_ with the following _Security Token_: `ae76872ae8f3419c6d6f64bf51888ecbcc703927a342d815fafe486acdb938da07d0cf44fca211a0be74a423238f535362d390a41e81e633a9ce668a6e31cdf9`
 
 ## Development