feat: 初始化项目结构并添加核心功能模块

- 新增文档模板和导航结构
- 实现服务器基础API路由和控制器
- 添加扩展插件配置和前端框架
- 引入多租户和权限管理模块
- 集成日志和数据库配置
- 添加核心业务模型和类型定义

archive/handover/environment_variables.md

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+# Introduction
+
+For test purposes, environment variables can be set to control libyuv behavior.  These should only be used for testing, to narrow down bugs or to test performance.
+
+# CPU
+
+By default the cpu is detected and the most advanced form of SIMD is used.  But you can disable instruction sets selectively, or completely, falling back on C code.  Set the variable to 1 to disable the specified instruction set.
+
+## All CPUs
+    LIBYUV_DISABLE_ASM
+
+## Intel CPUs
+    LIBYUV_DISABLE_X86
+    LIBYUV_DISABLE_SSE2
+    LIBYUV_DISABLE_SSSE3
+    LIBYUV_DISABLE_SSE41
+    LIBYUV_DISABLE_SSE42
+    LIBYUV_DISABLE_AVX
+    LIBYUV_DISABLE_AVX2
+    LIBYUV_DISABLE_ERMS
+    LIBYUV_DISABLE_FMA3
+    LIBYUV_DISABLE_F16C
+    LIBYUV_DISABLE_AVX512BW
+    LIBYUV_DISABLE_AVX512VL
+    LIBYUV_DISABLE_AVX512VBMI
+    LIBYUV_DISABLE_AVX512VBMI2
+    LIBYUV_DISABLE_AVX512VBITALG
+    LIBYUV_DISABLE_AVX512VPOPCNTDQ
+    LIBYUV_DISABLE_GFNI
+
+## ARM CPUs
+
+    LIBYUV_DISABLE_NEON
+
+## MIPS CPUs
+    LIBYUV_DISABLE_MSA
+    LIBYUV_DISABLE_MMI
+
+# Test Width/Height/Repeat
+
+The unittests default to a small image (128x72) to run fast.  This can be set by environment variable to test a specific resolutions.
+You can also repeat the test a specified number of iterations, allowing benchmarking and profiling.
+
+    set LIBYUV_WIDTH=1280
+    set LIBYUV_HEIGHT=720
+    set LIBYUV_REPEAT=999
+    set LIBYUV_FLAGS=-1
+    set LIBYUV_CPU_INFO=-1