Merge develop into main (#167)

- WiFi Connect app is now hidden by default, but accessible at the bottom of the WiFi Manage app when WiFi is turned on.
- WiFi service now turns on WiFi when calling connect() and WiFi is not on.
- Removed `blocking` option for `service::loader::startApp()`. This feature was unused and complex.
- Various apps: Moved private headers into Private/ folder.
- Various apps: created start() function for easy starting.
- Added documentation to all TactilityC APIs
- Refactored various `enum` into `class enum`
- Refactor M5Stack `initBoot()` (but VBus is still 0V for some reason)

Tactility/Private/app/files/State.h

@@ -0,0 +1,74 @@
+#pragma once
+
+#include <string>
+#include <vector>
+#include <dirent.h>
+#include "Mutex.h"
+
+namespace tt::app::files {
+
+class State {
+
+public:
+
+    enum PendingAction {
+        ActionNone,
+        ActionDelete,
+        ActionRename
+    };
+
+private:
+
+    Mutex mutex = Mutex(Mutex::Type::Recursive);
+    std::vector<dirent> dir_entries;
+    std::string current_path;
+    std::string selected_child_entry;
+    PendingAction action = ActionNone;
+
+public:
+
+
+    State();
+
+    void freeEntries() {
+        dir_entries.clear();
+    }
+
+    ~State() {
+        freeEntries();
+    }
+
+    bool setEntriesForChildPath(const std::string& child_path);
+    bool setEntriesForPath(const std::string& path);
+
+    const std::vector<dirent>& lockEntries() const {
+        mutex.lock(TtWaitForever);
+        return dir_entries;
+    }
+
+    void unlockEntries() {
+        mutex.unlock();
+    }
+
+    bool getDirent(uint32_t index, dirent& dirent);
+
+    void setSelectedChildEntry(const std::string& newFile) {
+        selected_child_entry = newFile;
+        action = ActionNone;
+    }
+
+    std::string getSelectedChildEntry() const { return selected_child_entry; }
+    std::string getCurrentPath() const { return current_path; }
+
+    std::string getSelectedChildPath() const;
+
+    PendingAction getPendingAction() const {
+        return action;
+    }
+
+    void setPendingAction(PendingAction newAction) {
+        action = newAction;
+    }
+};
+
+}