chore: add repo meta files (LICENSE, README, CHANGELOG, gitignore)

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

.editorconfig

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+root = true
+
+[*]
+charset = utf-8
+end_of_line = lf
+indent_style = space
+indent_size = 4
+insert_final_newline = true
+trim_trailing_whitespace = true
+
+[*.{yml,yaml,toml,json,md}]
+indent_size = 2
+
+[*.{kt,kts}]
+ij_kotlin_packages_to_use_import_on_demand = unset
+
+[Makefile]
+indent_style = tab

.gitattributes

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+* text=auto eol=lf
+*.bat text eol=crlf
+*.jar binary
+*.png binary
+*.jpg binary
+*.gif binary
+*.webp binary

.gitignore

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+# Built application files
+*.apk
+*.aar
+*.ap_
+*.aab
+
+# Files for the ART/Dalvik VM
+*.dex
+
+# Java class files
+*.class
+
+# Generated files
+bin/
+gen/
+out/
+release/
+
+# Gradle files
+.gradle/
+build/
+
+# Local configuration file (sdk path, etc)
+local.properties
+
+# Proguard folder generated by Eclipse
+proguard/
+
+# Log files
+*.log
+
+# Android Studio / IntelliJ
+*.iml
+.idea/
+.navigation/
+captures/
+.externalNativeBuild/
+.cxx/
+
+# Keystore files
+*.jks
+*.keystore
+/key.properties
+
+# Google Services (e.g. APIs or Firebase)
+google-services.json
+
+# OS files
+.DS_Store
+Thumbs.db
+
+# F-Droid local artifacts (the pipeline generates them in CI)
+fdroid/repo/
+fdroid/keystore.p12
+
+# KSP
+.ksp/

CHANGELOG.md

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+# Changelog
+
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/),
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+## [Unreleased]
+
+### Added
+- Initial project scaffold with Material 3 Expressive theme
+- Adaptive launcher icon (numeral "1" on slate squircle, referencing *kalendae*)
+- German + English localization infrastructure
+- Hilt + DataStore dependency injection and preferences setup
+- Gitea CI/CD workflows for build, test, lint, and release

LICENSE

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+MIT License
+
+Copyright (c) 2026 Jean-Luc Makiola
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

README.md

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+# Calendula
+
+A modern Material 3 Expressive calendar app for Android.
+
+Calendula is named after the flower of the same name, whose name comes from
+the Latin *kalendae* — the first day of the month — the same root as the
+word "calendar". Calendula reads from Android's built-in `CalendarContract`,
+so any calendar source synced to your device (CalDAV via DAVx5, Google,
+local, WebCal subscriptions, ...) is shown.
+
+## Features (V1)
+
+- Month, Week, and Day views
+- Read-only event details (write support comes in V2)
+- Multi-calendar visibility toggle
+- Material You Dynamic Color (Android 12+)
+- Light/Dark theme follows system
+- German + English UI
+
+## Building
+
+Requires Android SDK 36 and JDK 17. The Gradle wrapper is checked in, so no host Gradle install is needed:
+
+```bash
+# Build debug APK
+./gradlew assembleDebug
+
+# Run unit tests
+./gradlew test
+
+# Run lint
+./gradlew lint
+```
+
+If your default JDK is something other than 17, set `JAVA_HOME` explicitly:
+
+```bash
+JAVA_HOME=/path/to/jdk-17 ./gradlew assembleDebug
+```
+
+## License
+
+[MIT](LICENSE) — Jean-Luc Makiola, 2026