Add currencies (#66)

* alphabetically order apps in "Finance"

* add Currencies

* increase Counter

* use better icon

Author: sal0max

README.md

@@ -26,7 +26,7 @@ This is a list of `THE BEST FOSS apps` according to [us](https://github.com/Psyh
 >
 >[More detailed explanation here.](RULES.md)
 
-__AWESOME__ apps counter: __216__ 🎉
+__AWESOME__ apps counter: __217__ 🎉
 
 ### Contents
 
@@ -802,6 +802,24 @@ F-Droid version is outdated compared to GitHub's.
 
 ## Finance
 
+### Currencies ❤️
+
+<img alt="Currencies" height="64" src="https://github.com/sal0max/currencies/blob/master/fastlane/metadata/android/en-US/images/icon.png?raw=true">
+
+- [x] [Google Play](https://play.google.com/store/apps/details?id=de.salomax.currencies)
+- [x] [F-Droid](https://f-droid.org/packages/de.salomax.currencies/)
+- [x] [GitHub](https://github.com/sal0max/currencies)
+- [ ] Official page
+
+### MoneyWallet
+
+<img alt="MoneyWallet" height="64" src="https://github.com/AndreAle94/moneywallet/blob/master/app/src/main/ic_launcher-web.png?raw=true">
+
+- [x] [Google Play](https://play.google.com/store/apps/details?id=com.oriondev.moneywallet)
+- [x] [F-Droid](https://f-droid.org/en/packages/com.oriondev.moneywallet)
+- [x] [GitHub](https://github.com/AndreAle94/moneywallet)
+- [ ] Official page
+
 ### My Expenses
 
 <img alt="MyExpenses" height="64" src="https://github.com/mtotschnig/MyExpenses/blob/master/metadata/en-US/images/icon.png?raw=true">
@@ -820,15 +838,6 @@ F-Droid version is outdated compared to GitHub's.
 - [x] [GitHub](https://github.com/jerameel/sushi)
 - [ ] Official page
 
-### MoneyWallet
-
-<img alt="MoneyWallet" height="64" src="https://github.com/AndreAle94/moneywallet/blob/master/app/src/main/ic_launcher-web.png?raw=true">
-
-- [x] [Google Play](https://play.google.com/store/apps/details?id=com.oriondev.moneywallet)
-- [x] [F-Droid](https://f-droid.org/en/packages/com.oriondev.moneywallet)
-- [x] [GitHub](https://github.com/AndreAle94/moneywallet)
-- [ ] Official page
-
 ## Firewall
 
 ### AFWall+