feat(services): add Chroma service (#6201)

public/svgs/chroma.svg

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+<svg width="36" height="25" fill="none" xmlns="http://www.w3.org/2000/svg">
+    <mask id="prefix__a" style="mask-type:luminance" maskUnits="userSpaceOnUse" x="0" y="0" width="36" height="25">
+        <path d="M36 .934H0v24h36v-24z" fill="#fff" />
+    </mask>
+    <g mask="url(#prefix__a)">
+        <path d="M12 .934c-6.627 0-12 5.372-12 12 0 6.627 5.373 12 12 12s12-5.373 12-12c0-6.628-5.373-12-12-12z"
+            fill="#327EFF" />
+        <path d="M24 .934c-6.627 0-12 5.372-12 12 0 6.627 5.373 12 12 12s12-5.373 12-12c0-6.628-5.373-12-12-12z"
+            fill="#FFDE2D" />
+        <path d="M12 12.934c0-6.628 5.373-12 12-12v12H12z" fill="#FF6446" />
+        <path d="M24 12.934c0 6.627-5.373 12-12 12v-12h12z" fill="#FF6446" />
+    </g>
+</svg>

templates/compose/chroma.yaml

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+# documentation: https://cookbook.chromadb.dev/
+# slogan: Chroma is the open-source search and retrieval database for AI applications.
+# tags: ai,vector-database,semantic-search,machine-learning,bm25,embeddings,llm
+# logo: svgs/chroma.svg
+# port: 8000
+
+services:
+  chromadb:
+    image: chromadb/chroma:1.0.15
+    volumes:
+      - chroma-data:/data
+    environment:
+      - SERVICE_FQDN_CHROMA_8000
+      - IS_PERSISTENT=TRUE
+      - PERSIST_DIRECTORY=/data
+    healthcheck:
+      test: [ "CMD", "/bin/bash", "-c", "cat < /dev/null > /dev/tcp/localhost/8000" ]
+      interval: 30s
+      timeout: 10s
+      retries: 3