M0: Floret skeleton — Material 3 Expressive scaffold over OpenTasks (planned)

Sibling to Calendula. Pure front-end posture; TaskContract data layer,
task screens and reminder engine to follow (see docs/PLAN.md).

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

build.gradle.kts

@@ -0,0 +1,7 @@
+// Top-level build file where you can add configuration options common to all sub-projects/modules.
+plugins {
+    alias(libs.plugins.android.application) apply false
+    alias(libs.plugins.kotlin.compose) apply false
+    alias(libs.plugins.ksp) apply false
+    alias(libs.plugins.hilt) apply false
+}