♻️🎨 connector: light cleanup, load (#525)

renaming logger, adding health endpoint, working with old API,
removing aggressive force save stuff, missing forgotten files etc,
documentation

tdrive/connectors/onlyoffice-connector/src/routes/onlyoffice.route.ts

@@ -15,7 +15,7 @@ class OnlyOfficeRoute implements Routes {
 
   private initRoutes = () => {
     this.router.get(`${this.path}:mode/read`, requirementsMiddleware, this.onlyOfficeController.read);
-    this.router.post(`${this.path}:mode/save`, requirementsMiddleware, this.onlyOfficeController.save);
+    this.router.post(`${this.path}:mode/save`, requirementsMiddleware, this.onlyOfficeController.ooCallback);
   };
 }