Install pgvector for Chatwoot schema

Dockerfile

@@ -7,7 +7,7 @@ RUN if command -v apt-get >/dev/null 2>&1; then \
       apt-get install -y --no-install-recommends postgresql postgresql-contrib redis-server supervisor tini gosu ca-certificates && \
       rm -rf /var/lib/apt/lists/*; \
     elif command -v apk >/dev/null 2>&1; then \
-      apk add --no-cache postgresql postgresql-contrib redis supervisor tini su-exec bash ca-certificates; \
+      apk add --no-cache postgresql postgresql-contrib postgresql-pgvector redis supervisor tini su-exec bash ca-certificates; \
     else \
       echo "Unsupported base image package manager" >&2; exit 1; \
     fi