Refactor comments across multiple files to improve clarity and consistency

- Updated comments in Probe/Config.ts to use block comments for proxy configuration.
- Refactored comments in PortMonitor.ts, SyntheticMonitor.ts, and OnlineCheck.ts to block comments for better readability.
- Adjusted comments in ProbeIngest/API/Monitor.ts and ProbeIngest/API/Probe.ts to block comments for clarity.
- Standardized comments in various data migration scripts to block comments for consistency.
- Modified eslint.config.js to enforce multiline comment style as an error.

TestServer/API/Main.ts

@@ -71,8 +71,10 @@ const returnResponse: RequestHandler = async (
       await Sleep.sleep(responseTime);
     }
 
-    // middleware marks the probe as alive.
-    // so we don't need to do anything here.
+    /*
+     * middleware marks the probe as alive.
+     * so we don't need to do anything here.
+     */
     return Response.sendCustomResponse(
       req,
       res,

TestServer/API/Settings.ts

@@ -51,8 +51,10 @@ router.post(
       LocalCache.setNumber("TestServer", "responseTime", responseTime || 0);
       LocalCache.setString("TestServer", "responseBody", responseBody || "");
 
-      // middleware marks the probe as alive.
-      // so we don't need to do anything here.
+      /*
+       * middleware marks the probe as alive.
+       * so we don't need to do anything here.
+       */
       return Response.sendEmptySuccessResponse(req, res);
     } catch (err) {
       return next(err);