Modify README #131

Job	Run time
mingw / build_mingw (Release)	12m 33s
mingw / build_mingw (Debug)	12m 31s
android / build_android (Release, android_arm64_v8a, 6.5.1)	12m 3s
android / build_android (Release, android_armv7, 6.5.1)	11m 46s
android / build_android (Release, android_x86_64, 6.5.1)	10m 36s
macos / build_macos (Release, 6.5.1, clang_64)	9m 20s
macos / build_macos (Release, 5.15.2, clang_64)	7m 17s
macos / build_macos (Release, 5.12.12, clang_64)	5m 44s
macos / build_macos (Debug, 6.5.1, clang_64)	7m 33s
macos / build_macos (Debug, 5.15.2, clang_64)	5m 9s
macos / build_macos (Debug, 5.12.12, clang_64)	6m 57s
msvc / build_msvc (Release, 6.5.1)	22s
msvc / build_msvc (Release, 5.15.2)	2m 33s
msvc / build_msvc (Release, 5.12.12)	2m 44s
msvc / build_msvc (Debug, 6.5.1)	2m 41s
msvc / build_msvc (Debug, 5.15.2)	2m 56s
msvc / build_msvc (Debug, 5.12.12)	3m 1s
ubuntu / build_ubuntu (Release)	8m 58s
ubuntu / build_ubuntu (Debug)	5m 47s
deploy	0s
	2h 10m 31s

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