IMPORTANT: Radar remains the same from the previous map update

Experimental changes:
- Added audio blocker in the thick B wall

Main changes:
- Opened up space in B entrance
- Removed half of the fence on B balcony
- Cleaned up the pre-balcony zone on B
- Widened the Connector's corridor
- Lowered a block in Tunnel
- Scaled up the bomb sign in Main
- Moved cover in Main
- Blocked some space on a bookshelf on A
- Removed safetynet rolls on a crate in Redroom
- Moved the boxes deeper by a bit in the hiding spot in Corridor
- Fixed blobby lighting from sconces in the Connector's corridor

- Added building behind the yard to try to fix visibility problems
- Various lighting and clipping fixes

- All custom textures are packed now
- Switched many light sources from Stationary to Static and disabled dynamic shadows on them to fix lighting issues (also should improve performance at some degree)
- Lowered sandbags on the back of the yard
- Replaced barrels behind the tree with some planks on the yard
- Various clipping fixes

Created Podyezd.