#125: Move code into sub-package db

* updated `README.md`

Author: benedeki

README.md

@@ -5,7 +5,7 @@
 
 [![Build](https://github.com/AbsaOSS/fa-db/workflows/Build/badge.svg)](https://github.com/AbsaOSS/fa-db/actions)
 
-[![Maven Central](https://maven-badges.herokuapp.com/maven-central/za.co.absa.fa-db/core_2.11/badge.svg)](https://search.maven.org/search?q=g:za.co.absa.fa-db)
+[![Maven Central](https://maven-badges.herokuapp.com/maven-central/za.co.absa..db.fa-db/core_2.12/badge.svg)](https://search.maven.org/search?q=g:za.co.absa.fa-db)
 
 ___
 
@@ -59,30 +59,32 @@ Import one of the two available module at the moment. Slick module works with Sc
 any effect type (typically IO or ZIO) provided cats effect's Async instance is available.
 
 ```scala
-libraryDependencies *= "za.co.absa.fa-db" %% "slick"  % "X.Y.Z"
-libraryDependencies *= "za.co.absa.fa-db" %% "doobie"  % "X.Y.Z"
+libraryDependencies *= "za.co.absa.db.fa-db" %% "slick"  % "X.Y.Z"
+libraryDependencies *= "za.co.absa.db.fa-db" %% "doobie"  % "X.Y.Z"
 ```
 
 #### Maven
 
 ##### Scala 2.12
 
 Modules:
-* Core [![Maven Central](https://maven-badges.herokuapp.com/maven-central/za.co.absa.fa-db/core_2.12/badge.svg)](https://maven-badges.herokuapp.com/maven-central/za.co.absa.fa-db/core_2.12)
-* Slick [![Maven Central](https://maven-badges.herokuapp.com/maven-central/za.co.absa.fa-db/slick_2.12/badge.svg)](https://maven-badges.herokuapp.com/maven-central/za.co.absa.fa-db/slick_2.12)
-* Doobie [![Maven Central](https://maven-badges.herokuapp.com/maven-central/za.co.absa.fa-db/doobie_2.12/badge.svg)](https://maven-badges.herokuapp.com/maven-central/za.co.absa.fa-db/doobie_2.12)
+* Core [![Maven Central](https://maven-badges.herokuapp.com/maven-central/za.co.absa.db.fa-db/core_2.12/badge.svg)](https://maven-badges.herokuapp.com/maven-central/za.co.absa.fa-db/core_2.12)
+* Slick [![Maven Central](https://maven-badges.herokuapp.com/maven-central/za.co.absa.db.fa-db/slick_2.12/badge.svg)](https://maven-badges.herokuapp.com/maven-central/za.co.absa.fa-db/slick_2.12)
+* Doobie [![Maven Central](https://maven-badges.herokuapp.com/maven-central/za.co.absa.db.fa-db/doobie_2.12/badge.svg)](https://maven-badges.herokuapp.com/maven-central/za.co.absa.fa-db/doobie_2.12)
 
 ```xml
-<dependency>
-    <groupId>za.co.absa.fa-db</groupId>
-    <artifactId>slick_2.12</artifactId>
-    <version>${latest_version}</version>
-</dependency>
-<dependency>
-    <groupId>za.co.absa.fa-db</groupId>
-    <artifactId>doobie_2.12</artifactId>
-    <version>${latest_version}</version>
-</dependency>
+<dependencies>
+    <dependency>
+        <groupId>za.co.absa.db.fa-db</groupId>
+        <artifactId>slick_2.12</artifactId>
+        <version>${latest_version}</version>
+    </dependency>
+    <dependency>
+        <groupId>za.co.absa.db.fa-db</groupId>
+        <artifactId>doobie_2.12</artifactId>
+        <version>${latest_version}</version>
+    </dependency>
+</dependencies>
 ```
 
 ### Scala 2.13
@@ -92,23 +94,25 @@ Modules:
 * Doobie [![Maven Central](https://maven-badges.herokuapp.com/maven-central/za.co.absa.fa-db/doobie_2.13/badge.svg)](https://maven-badges.herokuapp.com/maven-central/za.co.absa.fa-db/doobie_2.13)
 
 ```xml
-<dependency>
-    <groupId>za.co.absa.fa-db</groupId>
-    <artifactId>slick_2.13</artifactId>
-    <version>${latest_version}</version>
-</dependency>
-<dependency>
-    <groupId>za.co.absa.fa-db</groupId>
-    <artifactId>doobie_2.13</artifactId>
-    <version>${latest_version}</version>
-</dependency>
+<dependencies>
+    <dependency>
+        <groupId>za.co.absa.db.fa-db</groupId>
+        <artifactId>slick_2.13</artifactId>
+        <version>${latest_version}</version>
+    </dependency>
+    <dependency>
+        <groupId>za.co.absa.db.fa-db</groupId>
+        <artifactId>doobie_2.13</artifactId>
+        <version>${latest_version}</version>
+    </dependency>
+</dependencies>
 ```
 
 ## Concepts
 
 ### Status codes
 
-Text about status codes returned from the database function can be found [here](core/src/main/scala/za/co/absa/fadb/status/README.md).
+Text about status codes returned from the database function can be found [here](core/src/main/scala/za/co/absa/db/fadb/status/README.md).
 
 
 ## Slick module