Partial migration to UV to speed up installation, rename the tools folder to reduce conflicts, update readme, code formatting

[XXXXRT666]

Device	New Script	Old Script	Speedup
CU128	1m35.600s	3m10.836s	~2.00×
CU126	1m34.766s	2m58.168s	~1.88×
CPU	1m6.348s	2m3.843s	~1.87×

Tested in an AArch64 Linux Docker container

Results Details

(TEST2) root@bd20085dda3c:/GPT-SoVITS# time bash install.sh -d cu128

real	1m35.600s
user	1m24.880s
sys	0m23.083s

(TEST2) root@bd20085dda3c:/GPT-SoVITS# time bash install.sh -d cpu

real	1m6.348s
user	1m0.565s
sys	0m12.116s

(TEST2) root@bd20085dda3c:/GPT-SoVITS# time bash install.sh -d cu126

real	1m34.766s
user	0m41.543s
sys	0m20.877s

(TEST2) root@bd20085dda3c:/GPT-SoVITS# time bash install.sh --device CU128 --source HF

real	3m10.836s
user	1m50.862s
sys	0m23.454s

(TEST2) root@bd20085dda3c:/GPT-SoVITS# time bash install.sh --device CU126 --source HF

real	2m58.168s
user	1m47.411s
sys	0m20.337s

(TEST2) root@bd20085dda3c:/GPT-SoVITS# time bash install.sh --device CPU --source HF

real	2m3.843s
user	1m27.425s
sys	0m7.954s