fixed bug in attaching nics to hosts, changed documentation format and generator (buggy but usable)

docs/core/host.md

@@ -1,10 +1,32 @@
 # core/host.h
+## `Host::Host`
+`Host(Simulator *const sim, NodeId id) noexcept`
 
-## class NetworkNic — public interface
+Binds a host to a simulator under the `NodeId` id.
 
-### `Host(Simulator *const sim, NodeId id) noexcept;`
-### `virtual ~Host() = default;`
-### `NetworkNic *nic() const noexcept { ... }`
-### `void attach_nic(NetworkNic* nic) noexcept;`
-### `void detach_nic(NetworkNic* nic) noexcept;`
-### `Host(const Host &) = delete;`
+## `Host::Host`
+`Host(const Host &) = delete`
+
+Binds a host to a simulator under the `NodeId` id.
+
+## `Host::attach_nic`
+`void attach_nic(NetworkNic *nic) noexcept`
+
+Attaches a `NetworkNic` to the host.
+
+## `Host::detach_nic`
+`void detach_nic(NetworkNic *nic) noexcept`
+
+Detaches a `NetworkNic` to the host.
+## `Host::nic`
+`NetworkNic *nic() const noexcept`
+## `Host::operator=`
+`Host &operator=(const Host &) = delete`
+## `Host::recv_flow`
+`virtual void recv_flow(NodeId src, FlowId flow, FlowPriority priority, Bytes flow_size) = 0`
+## `Host::recv_frame`
+`virtual void recv_frame(const Packet &frame) = 0`
+## `Host::recv_mgmt_msg`
+`virtual void recv_mgmt_msg(std::unique_ptr<struct MgmtMsg> msg) = 0`
+## `Host::~Host`
+`virtual ~Host() = default`