chore: 添加初始项目文件和依赖项

初始化项目，添加 favicon.ico、screenshot.png 等静态资源文件，以及 Vue、TailwindCSS 等依赖项。配置了 Vite 和 PostCSS，并生成了基本的项目结构。

node_modules/tailwindcss/src/util/removeAlphaVariables.js

@@ -0,0 +1,26 @@
+/**
+ * This function removes any uses of CSS variables used as an alpha channel
+ *
+ * This is required for selectors like `:visited` which do not allow
+ * changes in opacity or external control using CSS variables.
+ *
+ * @param {import('postcss').Container} container
+ * @param {string[]} toRemove
+ */
+export function removeAlphaVariables(container, toRemove) {
+  container.walkDecls((decl) => {
+    if (toRemove.includes(decl.prop)) {
+      decl.remove()
+
+      return
+    }
+
+    for (let varName of toRemove) {
+      if (decl.value.includes(`/ var(${varName})`)) {
+        decl.value = decl.value.replace(`/ var(${varName})`, '')
+      } else if (decl.value.includes(`/ var(${varName}, 1)`)) {
+        decl.value = decl.value.replace(`/ var(${varName}, 1)`, '')
+      }
+    }
+  })
+}