beginnings of a config command

src/bottles/commands.txt

@@ -1,3 +1,4 @@
 list print_bottles
 active print_active_bottle
 activate switch_active_bottle
+config config_command

src/bottles/config/cli_handler.cpp

@@ -0,0 +1,24 @@
+#include <string>
+#include <vector>
+
+#include "json.hpp"
+
+#include "bottles.hpp"
+#include "internal/bottles.hpp"
+#include "output.hpp"
+
+using namespace std;
+using namespace cellar;
+using namespace cellar::bottles;
+
+using json = nlohmann::json;
+
+void cellar::bottles::config_command(int argc, vector<string> argv) {
+    if (argc == 1) {
+        output::error("not enough arguments");
+        return;
+    }
+    string command = argv[1];
+
+    output::statement(command);
+}