docs: 初始化仓库，加入需求、开发说明和任务拆分

.gitattributes

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+
+*.ps1 text eol=crlf
+*.bat text eol=crlf
+*.cmd text eol=crlf
+
+*.png binary
+*.jpg binary
+*.jpeg binary
+*.gif binary
+*.ico binary
+*.woff binary
+*.woff2 binary
+*.jar binary
+*.db binary