f-21: add first api file

Signed-off-by: GnomeZworc <nicolas.boufidjeline@g3e.fr>

internal/api/agent/subnets.go

@@ -0,0 +1,19 @@
+package agentapi
+
+import (
+	"encoding/json"
+	"net/http"
+)
+
+func SubnetsHandler(w http.ResponseWriter, r *http.Request) {
+	w.Header().Set("Content-Type", "application/json")
+	switch r.Method {
+	case http.MethodGet:
+		w.WriteHeader(http.StatusOK)
+		json.NewEncoder(w).Encode([]interface{}{})
+	case http.MethodPost:
+		w.WriteHeader(http.StatusAccepted)
+	default:
+		http.Error(w, "method not allowed", http.StatusMethodNotAllowed)
+	}
+}