Moved Boilerplates to Samples directory (#259)

* moved Boilerplates to Samples directory

* updated Demo build

* moved Demo scene to Boilerplates directory

* unignored Samples directory

* added a way to only show certain features on the demo build

* moved Boilerplates to Setup directory, added boilerplate docs to the readme

* updated demo build flies

* build demo scene from a boilerplate config

* updated demo build

* removed sequence config fields from boilerplate config

* package version bump

Author: andygruening

.gitignore

@@ -25,6 +25,7 @@
 /[Aa]ssets/Samples
 /[Aa]ssets/Samples~/Setup/Resources/SequenceConfig.asset
 /[Aa]ssets/Samples.meta
+!/Packages/Sequence-Unity/Sequence/Samples~/
 
 # Recordings can get excessive in size
 /[Rr]ecordings/