Add: Main app, main activity and navigation handling

app/src/main/java/dev/carlos/acronyms/MainApplication.kt

@@ -0,0 +1,32 @@
+package dev.carlos.acronyms
+
+import android.app.Application
+import dev.carlos.acronyms.di.appModules
+import org.koin.android.ext.koin.androidContext
+import org.koin.core.context.startKoin
+import timber.log.Timber
+
+@Suppress("unused")
+class MainApplication : Application() {
+    override fun onCreate() {
+        super.onCreate()
+        setupLogger()
+        setupDi()
+    }
+
+    private fun setupLogger() {
+        Timber.plant(Timber.DebugTree())
+    }
+
+    private fun setupDi() {
+        startKoin {
+            androidContext(this@MainApplication)
+
+            modules(
+                listOf(
+                    appModules
+                )
+            )
+        }
+    }
+}