fix release with some improvements and new analyzers

This version was released earlier to fix installation problems triggered by the new version of pip (peepdfpackage was incompatible and had to be changed).

NEW INBUILT ANALYZERS:

• Added MalwareBazaar_Google_Observable analyzer: Check if a particular IP, domain or url is known to MalwareBazaar using google search
• Added InQuest YARA rules analyzer.
• Added StrangerealIntel Daily Ioc Yara rules analyzer.

FIXES/IMPROVEMENTS/Dependency upgrades:

• changed peepdf pip repo to peepdf-fork to fix broken installation
• adjustments to documentation
• upgraded quark-engine to v20.11
• fixes to UnpacMe_EXE_Unpacker and PE_Info analyzers
• managed RAM utilization by celery to avoid issues when using IntelOwl for a lot of analysis.
• added PR template
• removed nginx banner