platform: modularize api/gui, add docs-tests-web foundation, and refresh root config

selective-vpn-api/app/traffic_appmarks_handlers.go

@@ -0,0 +1,21 @@
+package app
+
+import (
+	"net/http"
+)
+
+func handleTrafficAppMarks(w http.ResponseWriter, r *http.Request) {
+	switch r.Method {
+	case http.MethodGet:
+		vpnCount, directCount := appMarksGetStatus()
+		writeJSON(w, http.StatusOK, TrafficAppMarksStatusResponse{
+			VPNCount:    vpnCount,
+			DirectCount: directCount,
+			Message:     "ok",
+		})
+	case http.MethodPost:
+		handleTrafficAppMarksPost(w, r)
+	default:
+		http.Error(w, "method not allowed", http.StatusMethodNotAllowed)
+	}
+}