Update Code and README for GenAIComps Refactor (#1285)

Signed-off-by: lvliang-intel <liang1.lv@intel.com>
Signed-off-by: chensuyue <suyue.chen@intel.com>
Signed-off-by: Xinyao Wang <xinyao.wang@intel.com>
Signed-off-by: letonghan <letong.han@intel.com>
Signed-off-by: ZePan110 <ze.pan@intel.com>
Signed-off-by: WenjiaoYue <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>

CodeTrans/docker_image_build/build.yaml

@@ -20,12 +20,12 @@ services:
   llm-tgi:
     build:
       context: GenAIComps
-      dockerfile: comps/llms/text-generation/tgi/Dockerfile
+      dockerfile: comps/llms/src/text-generation/Dockerfile
     extends: codetrans
     image: ${REGISTRY:-opea}/llm-tgi:${TAG:-latest}
   nginx:
     build:
       context: GenAIComps
-      dockerfile: comps/nginx/Dockerfile
+      dockerfile: comps/3rd_parties/nginx/src/Dockerfile
     extends: codetrans
     image: ${REGISTRY:-opea}/nginx:${TAG:-latest}