[BAEL-2959] A Guide to MapDB code (#7042)

* [BAEL-2959] A Guide to MapDB code

* [BAEL-2959] fixes

* [BAEL-2959] made VOLUME_LOCATION static in SortedTableMapUnitTest

* moved mapdb files from libraries to libraries-2

* [BAEL-2959] formatting fixes

* updated pom.xml

libraries/pom.xml

@@ -19,6 +19,9 @@
             <version>${typesafe-akka.version}</version>
         </dependency>
 
+
+
+
         <dependency>
             <groupId>com.typesafe.akka</groupId>
             <artifactId>akka-testkit_2.12</artifactId>
@@ -837,6 +840,7 @@
         <h2.version>1.4.196</h2.version>
         <jnats.version>1.0</jnats.version>
 
+
         <httpclient.version>4.5.3</httpclient.version>
         <jackson.version>2.9.7</jackson.version>
         <neuroph.version>2.92</neuroph.version>