feat: add logging and collector implementations

- Introduced `hertzx` package with `NewHertz` function for server initialization.
- Implemented `logx` package with various log collectors: Console, Loki, Elasticsearch, and Prometheus.
- Added `Logger` struct to manage logging levels and collectors.
- Created environment variable loading functionality in `osx` package to support configuration.
- Enhanced logging capabilities with structured log entries and asynchronous collection.

cmd/log/main.go

@@ -0,0 +1,13 @@
+package main
+
+import (
+	"git.liteyuki.org/LiteyukiStudio/folium/logx"
+)
+
+func main() {
+	// 初始化日志
+	logx.Debug("This is a debug log")
+	logx.Info("This is an info log")
+	logx.Warn("This is a warning log")
+	logx.Error("This is an error log")
+}