Feature/performance pdf (#426)

#  Added
- Added: Added series format information to the search typeahead to help identify duplicate series in libraries

# Fixed
- Fixed: Fixed accent color not looking well on light theme
- Fixed: Attempted to fix the memory issues with PDF reading on Docker. Uses a Memory Pool for streams and removes a bitmap operation for fixing books with transparent backgrounds (#424)

# Changed
- Changed: Refactored download logs to use the same download code as rest of Kavita 

# Dev stuff
- Added timeout for Regex's to make sure during matching, malicious filenames doesn't crash user system
- Refactored a missing GetCoverImage to use Series Format rather than old Library Type

==================================================
* Added Timeout for Regex matching to ensure malicious filenames don't crash system

* Refactored GetCoverImage to use series format rather than library type

* Refactored download logs to use the download service

* Fixed accent color not looking well on light theme

* Refactored series format into dedicated component and added to search results

* Switch to using MemoryManager for Streams to attempt to minimize GC pressure and reduced bitmap manipulation for transparency hack.

UI/Web/src/app/series-detail/series-detail.component.html

@@ -85,7 +85,7 @@
                         <h5>Type</h5>
                     </div>
                     <div class="col-md-8">
-                        <app-tag-badge><i class="fa {{utilityService.mangaFormatIcon(series.format)}}" aria-hidden="true" title="{{utilityService.mangaFormat(series.format)}}"></i>&nbsp;{{utilityService.mangaFormat(series.format)}} </app-tag-badge>
+                        <app-tag-badge><app-series-format [format]="series.format">{{utilityService.mangaFormat(series.format)}}</app-series-format></app-tag-badge>
                     </div>
                 </div>
             </div>