Add version in log, command and api

A task has been added to generate a BuildVersions file
when building the project. Project's version can be
found in that file at runtime.

Also centralized declaration of the dependencies
versions to buildSrc.

buildSrc/build.gradle.kts

@@ -0,0 +1,6 @@
+repositories {
+    mavenCentral()
+}
+plugins {
+    `kotlin-dsl`
+}

buildSrc/src/main/kotlin/Versions.kt

@@ -0,0 +1,9 @@
+object Versions {
+    val kotlin = "1.9.23"
+    val lightningKmp = "1.6.2-FEECREDIT-2-SNAPSHOT"
+    val sqlDelight = "2.0.1"
+    val okio = "3.8.0"
+    val clikt = "4.2.2"
+    val ktor = "2.3.8"
+    fun ktor(module: String) = "io.ktor:ktor-$module:$ktor"
+}