Implement task to generate translator layout from a text file (#759)

Related to #669

translators.gradle.kts

@@ -0,0 +1,45 @@
+import groovy.xml.MarkupBuilder
+import java.io.StringWriter
+
+task("updateTranslators") {
+    doLast {
+        fun updateTranslatorLayouts() {
+            val writer = StringWriter()
+            val indent = "    "
+            val xml = MarkupBuilder(groovy.util.IndentPrinter(writer, indent))
+            xml.doubleQuotes = true
+            xml.withGroovyBuilder {
+                "LinearLayout"(
+                    "style" to "@style/Card",
+                    "android:gravity" to "center",
+                    "xmlns:android" to "http://schemas.android.com/apk/res/android"
+                ) {
+                    "TextView"(
+                        "style" to "@style/CardHeader",
+                        "android:text" to "@string/translators",
+                        "android:textColor" to "?aboutScreenColor"
+                    )
+
+                    xml.mkp.yield('\n' + indent)
+                    xml.mkp.comment("This list is automatically generated, do not edit manually.")
+
+                    val reader = file("translators").bufferedReader()
+                    for (l in reader.lines()) {
+                        "TextView"(
+                            "style" to "@style/About.Item",
+                            "android:text" to l
+                        )
+                    }
+                }
+            }
+            val newContent = writer.toString()
+            val path = "uhabits-android/src/main/res/layout/about_translators.xml"
+            val currentContent = file(path).readText()
+            if (currentContent != newContent) {
+                file(path).writeText(newContent)
+            }
+        }
+
+        updateTranslatorLayouts()
+    }
+}