[#976] Release Zashi 0.2.0 (#989)

* [#976] Release Zashi 0.2.0

- Changed Zashi versioning from, e.g., „0.2.239“ to „0.2.0 build 239“
- Closes #976

* Update the final app version style

app/build.gradle.kts

@@ -236,7 +236,7 @@ androidComponents {
                         if (delta < 0) {
                             defaultVersionName
                         } else {
-                            "$defaultVersionName.$delta"
+                            "$defaultVersionName ($delta)"
                         }
                     } ?: defaultVersionName
                 }

gradle.properties

@@ -51,7 +51,7 @@ IS_MINIFY_ENABLED=true
 # VERSION_CODE is effectively ignored VERSION_NAME is suffixed with the version code.
 # If not using automated Google Play deployment, then these serve as the actual version numbers.
 ZCASH_VERSION_CODE=1
-ZCASH_VERSION_NAME=0.1
+ZCASH_VERSION_NAME=0.2.0
 
 # Set these fields, as you need them (e.g. with values "Zcash X" and "co.electriccoin.zcash.x")
 # to distinguish a different release build that can be installed alongside the official version