chore: update export statistics with new user data and extended date range

- Refresh dataset with 443 active users (up from 439) and 14101 total contributions (up from 13643)
- Update average contribution per user from 31.08 to 31.83
- Extend comment period graphs from 2025-02-16 to 2025-02-28, replacing old PNGs
- Add new posts for users 12bitfloat and AlgoRythm with additional conversation threads
- Recalculate IHateForALiving stats: 1414 contributions (0.59%) with 618673 total post length
- Remove old export PNGs for the shorter date range and add new ones for the extended period

export/rants-lungdart.txt

@@ -8,4 +8,11 @@ Post a rant anywhere else and you get people telling you "there there", but here
 
 Getting PR requests from a team mate during company wide holiday PTO. Asked him wtf he was doing, manager told him he had to work.
 
-NOT the managers call! This is going to HR on the 2nd```
+NOT the managers call! This is going to HR on the 2nd,Update on my shitty manager. 
+
+He's been in HR training and leaving me the fuck alone. So it's a win so far.,Wife's driving me nuts
+Work is driving me nuts
+
+At least my kids are awesome! 
+
+Maybe getting a new job would help. I'd probably need two new jobs to match this one though```