Feat/aep1 demos (#9)

* fix(aep): cleanup to aep1 for consistency and caldera usability

* improvements to emu plan to use sp for authentication

* update aep 1

* add example sigma mappings for initial analytic

* add caldera vagrantfile and configure script

* add log sample of storage account publish log

* some unrelated parts have been partially redacted/obfuscated, but core components are untouched

* tweaks to caldera startup

* initial startup of caldera 4 beta seems to hang while initializing atomic plugin, only happens on first startup, all subsequent startups work as expected
* setup caldera as systemd service
* add startup command to print connection info to console on startup for user

* moved analytics to separate folder, added more docs for caldera setup/run

* add analytics

* analytic cleanup

* updated grouping, added upstream rules to reference for correlations, cleanup

* update gcp analytics

* cleanup of analytics

.gitignore

@@ -193,4 +193,6 @@ Icon
 Network Trash Folder
 Temporary Items
 .apdisk
+# vagrant
+.vagrant/
 cloud-analytics-342815-34ae468440cd.json