chore(furdb): initialize furdb

furdb/include/command.hpp

@@ -0,0 +1,39 @@
+#ifndef COMMAND_HPP
+#define COMMAND_HPP
+
+#include "context.hpp"
+
+#include <string_view>
+#include <vector>
+
+struct command_info {
+    std::string_view              commandName;
+    std::vector<std::string_view> args;
+};
+
+class command {
+public:
+    command()          = default;
+    virtual ~command() = default;
+
+    command(command&&) noexcept            = default;
+    command& operator=(command&&) noexcept = default;
+    command(const command&)                = delete;
+    command& operator=(const command&)     = delete;
+public:
+    virtual void execute(context& ctx, const command_info& info) = 0;
+public:
+    static command_info parse(std::string_view line);
+};
+
+class quit_command final : public command {
+public:
+    void execute(context& ctx, const command_info& info) override;
+};
+
+class run_command final : public command {
+public:
+    void execute(context& ctx, const command_info& info) override;
+};
+
+#endif // COMMAND_HPP