Add app versioning which base on tags

app/build.gradle

@@ -5,6 +5,7 @@ plugins {
     id 'kotlin-kapt'
     id 'dagger.hilt.android.plugin'
 }
+apply from: rootProject.file("gradle/git-tag-version.gradle")
 
 android {
     compileSdk android_api_version
@@ -13,8 +14,8 @@ android {
         applicationId "no.nordicsemi.android.nrftoolbox"
         minSdk android_min_api_version
         targetSdk android_api_version
-        versionCode 1
-        versionName "1.0"
+        versionCode getVersionCodeFromTags()
+        versionName getVersionNameFromTags()
 
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
         vectorDrawables {

gradle/git-tag-version.gradle

@@ -0,0 +1,27 @@
+ext.getVersionCodeFromTags = { ->
+    try {
+        def code = new ByteArrayOutputStream()
+        exec {
+            commandLine 'git', 'tag', '--list'
+            standardOutput = code
+        }
+        return 14 + code.toString().split("\n").size()
+    }
+    catch (ignored) {
+        return -1
+    }
+}
+
+ext.getVersionNameFromTags = { ->
+    try {
+        def stdout = new ByteArrayOutputStream()
+        exec {
+            commandLine 'git', 'describe', '--tags', '--abbrev=0'
+            standardOutput = stdout
+        }
+        return stdout.toString().trim().split("%")[0]
+    }
+    catch (ignored) {
+        return null
+    }
+}