feat: update application versioning and enhance release management

- Bumped application version to 1.0.0 across all relevant package files, ensuring consistency in versioning.
- Introduced new environment variables for application version and release URL in Dockerfiles, improving deployment transparency.
- Enhanced the health check endpoint to return the current application version, providing better visibility for monitoring.
- Updated CI/CD workflows to include steps for preparing and publishing releases, streamlining the release process.
- Added a new "Releases" section in the application sidebar for easier access to version information.

backend/Dockerfile

@@ -12,6 +12,8 @@ RUN npm ci --workspace=@mmapp/contracts --workspace=mikrotik-manager-backend --i
   && npm rebuild better-sqlite3
 
 FROM deps AS build
+ARG APP_VERSION=dev
+ENV APP_VERSION=$APP_VERSION
 COPY packages/contracts packages/contracts
 COPY backend backend
 RUN npm run build -w @mmapp/contracts \
@@ -20,9 +22,11 @@ RUN npm run build -w @mmapp/contracts \
 
 FROM node:22-bookworm-slim AS runner
 WORKDIR /app
+ARG APP_VERSION=dev
 ENV NODE_ENV=production
 ENV PORT=8000
 ENV DATABASE_PATH=/app/data/mikrotik.db
+ENV APP_VERSION=$APP_VERSION
 COPY --from=build /app/package.json /app/package-lock.json ./
 COPY --from=build /app/node_modules ./node_modules
 COPY --from=build /app/packages/contracts ./packages/contracts