feat: initialize web tail pro application with frontend and backend

- Add frontend React application with log viewing components
- Implement backend Go server for log tailing and SSE streaming
- Include build scripts for both frontend and backend
- Set up basic authentication and file handling
- Add styling and log formatting capabilities

backend/go.mod

@@ -0,0 +1,16 @@
+module github.com/seu-usuario/go-react-web-tail
+
+go 1.21
+
+require (
+    github.com/hpcloud/tail v1.0.0
+)
+
+require (
+    github.com/fsnotify/fsnotify v1.4.7 // indirect
+    github.com/golang/protobuf v1.3.2 // indirect
+    github.com/tomnomnom/linkheader v0.1.0 // indirect
+    golang.org/x/sys v0.0.0-20191026070338-33540a1f6037 // indirect
+    gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7 // indirect
+    gopkg.in/yaml.v2 v2.2.2 // indirect
+)