scaffold: React 19 + Spring Boot 3.4 + PostgreSQL project

Sets up toolchain pinning, format/lint (Biome + Spotless), lefthook pre-commit hooks, Docker Compose for Postgres, and trivial passing tests for both stacks. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
2026-05-16 00:52:57 +02:00
commit cc00c6c6ae
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+distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.9.9/apache-maven-3.9.9-bin.tar.gz
+wrapperVersion=3.3.2