refactor: rename delta-force-guide to ahsarah-guide and merge into monorepo

- Merge delta-force-guide-server into server/ subdirectory
- Merge delta-force-guide-web into web/ subdirectory
- Rename Java package com.onixbyte.deltaforceguide to com.onixbyte.ahsarahguide
- Rename DeltaForceGuideApplication to AhsarahGuideApplication
- Update all config files, Dockerfiles, and CI workflows
- Update frontend display name and repo links
- Update legal documents (EULA, PrivacyPolicy)
- Create root-level CLAUDE.md, README.md, LICENCE, .gitignore, .gitattributes
- Move CI workflows to root .gitea/workflows/ with working-directory
- Delete .gitlab-ci.yml (legacy)
- Preserve git history from both original repositories

server/Dockerfile.ci

@@ -8,11 +8,11 @@ ARG BUILD_DATE
 
 COPY ${JAR_FILE} app.jar
 
-LABEL org.opencontainers.image.title="delta-force-guide-server" \
-      org.opencontainers.image.description="REST API backend for managing Delta Force game firearm builds and modifications" \
+LABEL org.opencontainers.image.title="ahsarah-guide-server" \
+      org.opencontainers.image.description="REST API backend for Ahsarah Guide" \
       org.opencontainers.image.version="${IMAGE_VERSION}" \
       org.opencontainers.image.vendor="${IMAGE_VENDOR}" \
-      org.opencontainers.image.source="https://git.onixbyte.com/onixbyte/delta-force-guide-server" \
+      org.opencontainers.image.source="https://onixbyte.dev/onixbyte/ahsarah-guide" \
       org.opencontainers.image.licenses="MIT" \
       org.opencontainers.image.created="${BUILD_DATE}"