chore(examples): add go-fr integration

Signed-off-by: Dwi Siswanto <git@dw1.io>

examples/integrations/go-fr/main.go

@@ -0,0 +1,20 @@
+package main
+
+import (
+    "github.com/teler-sh/teler-waf"
+
+    "gofr.dev/pkg/gofr"
+)
+
+func main() {
+    app := gofr.New()
+
+    app.GET("/", func(ctx *gofr.Context) (interface{}, error) {
+        return "Hello, world!", nil
+    })
+
+    telerMiddleware := teler.New()
+    app.UseMiddleware(telerMiddleware.Handler)
+
+    app.Run()
+}