Clean up codebase and improve file loading

- Moved plugins to proper sub groups (autopairs, code_minimap, colorize, commentzar, info_bar, markdown_preview, prettify_json, search_replace, tabs_bar, telescope, toggle_source_view, lsp_client)
- Add filter_out_loaded_files to prevent opening already-loaded files
- Add INDEPENDENT source view state
- Fix cursor scroll position on buffer switch
- Fix signal blocking during file load
- Fix word boundary in completion provider
- Refactor code events into single events module

plugins/code/ui/tabs_bar/plugin.py

@@ -0,0 +1,32 @@
+# Python imports
+
+# Lib imports
+
+# Application imports
+from libs.event_factory import Event_Factory, Code_Event_Types
+
+from plugins.plugin_types import PluginCode
+
+from .tabs_controller import TabsController
+
+
+
+class Plugin(PluginCode):
+    def __init__(self):
+        super(Plugin, self).__init__()
+
+
+    def _controller_message(self, event: Code_Event_Types.CodeEvent):
+            ...
+
+    def load(self):
+        tabs_controller = TabsController()
+        code_container  = self.request_ui_element("code-container")
+
+        self.register_controller("tabs", tabs_controller)
+
+        code_container.add( tabs_controller.tabs_widget )
+        code_container.reorder_child(tabs_controller.tabs_widget, 0)
+
+    def run(self):
+        ...