Installer v2 (#3798)

* add initial advanced installer

* add symlink

* add dist detection

* make output uniform

* switch command to use wget
leave the installer on device

* regen script

* only install if not already there

* add os/version check
Closes #3835

* regenerate script

* fix case syntax

* fix typo

* rename assets to replace installer

* Add issue template for install problems

* Add link to open issue

* Update linked file

contrib/installer/README

@@ -0,0 +1,14 @@
+The installer is generated using bashly.
+
+## Installation
+Check out the docs: https://bashly.dannyb.co/installation/
+
+If you have ruby already installed run
+```bash
+gem install bashly
+```
+
+## Regenerate script
+```bash
+bashly generate
+```