Do not make webui minigpt4_chatbot variable global as it is an error … #61

Job	Run time
macOS-latest-cmake (avx, -DMINIGPT4_BUILD_EXAMPLES=ON -DMINIGPT4_STATIC=OFF -DMINIGPT4_AVX2=OFF)	2m 31s
macOS-latest-cmake (opencv_avx, -DMINIGPT4_BUILD_EXAMPLES=ON -DMINIGPT4_STATIC=OFF -DMINIGPT4_AVX...	5m 14s
ubuntu-latest-cmake (avx, -DMINIGPT4_BUILD_EXAMPLES=ON -DMINIGPT4_STATIC=OFF -DMINIGPT4_AVX2=OFF)	1m 57s
ubuntu-latest-cmake (avx2, -DMINIGPT4_BUILD_EXAMPLES=ON -DMINIGPT4_STATIC=OFF -DMINIGPT4_AVX2=ON)	1m 59s
ubuntu-latest-cmake (opencv_avx, -DMINIGPT4_BUILD_EXAMPLES=ON -DMINIGPT4_STATIC=OFF -DMINIGPT4_AV...	1m 50s
ubuntu-latest-cmake (opencv_avx2, -DMINIGPT4_BUILD_EXAMPLES=ON -DMINIGPT4_STATIC=OFF -DMINIGPT4_A...	1m 48s
windows-latest-cmake (avx, -DMINIGPT4_BUILD_EXAMPLES=ON -DMINIGPT4_STATIC=OFF -DMINIGPT4_AVX2=OFF)	6m 8s
windows-latest-cmake (avx2, -DMINIGPT4_BUILD_EXAMPLES=ON -DMINIGPT4_STATIC=OFF -DMINIGPT4_AVX2=ON)	8m 26s
windows-latest-cmake (avx512, -DMINIGPT4_BUILD_EXAMPLES=ON -DMINIGPT4_STATIC=OFF -DMINIGPT4_AVX51...	9m 16s
windows-latest-cmake (opencv_avx, -DMINIGPT4_BUILD_EXAMPLES=ON -DMINIGPT4_STATIC=OFF -DMINIGPT4_A...	9m 49s
windows-latest-cmake (opencv_avx2, -DMINIGPT4_BUILD_EXAMPLES=ON -DMINIGPT4_STATIC=OFF -DMINIGPT4_...	6m 15s
windows-latest-cmake (opencv_avx512, -DMINIGPT4_BUILD_EXAMPLES=ON -DMINIGPT4_STATIC=OFF -DMINIGPT...	10m 55s
release	11s
	1h 6m 19s

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