Initial commit: TaskPool React panel

- React frontend with route-level code splitting
- Backend rebranded from Baihu to TaskPool
- DB brand migration script and local compatibility

internal/constant/mise.go

@@ -0,0 +1,9 @@
+package constant
+
+// MainstreamMisePlugins 主流的 mise 插件列表
+var MainstreamMisePlugins = []string{
+	"python", "node", "go", "rust", "ruby", "java", "php",
+	"deno", "bun", "zig", "dotnet", "elixir", "erlang",
+	"crystal", "lua", "julia", "nim", "perl", "scala",
+	"kotlin", "clojure", "dart", "flutter", "terraform",
+}