Copy png resizer into frontend
Move png resizer properties into frontend build
Get PNG Resizer to actually compile in frontend
Fix issue with byte array in image resizer
Use Guardian configuration for png resizer
Add appropriate metrics for png resizer. Use same caching utilities as other projects in frontend.
Use same conf stuff in png resizer as other projects in frontend
Use all good healthcheck for png resizer
Merge pull request #6527 from guardian/add-png-resizer

Add png resizer