Update images

- replace shell script with pwsh
- add more tools from actions/virtual-environments
- fixup pwsh modules installation
- install node 12 and 16 in base
- add node 14 in js-*
- build rust images
- restrict flavours to amd64 only for now
- add helper scripts from actions/virtual-environments
- overhaul build and dockerfile

.editorconfig

@@ -5,12 +5,15 @@ charset = utf-8
 end_of_line = lf
 trim_trailing_whitespace = true
 insert_final_newline = true
+indent_style = tab
+indent_size = 4
 
-[{.,}*.{js{,*},y{a,}ml,sh}]
+[*.ps1]
+indent_style = space
+
+[{{.,}*.{js{,on},y{a,}ml,sh,md,txt},.dockerfilelintrc}]
 indent_style = space
 indent_size = 2
 
 [*.{md,txt}]
-indent_style = space
-indent_size = 2
 trim_trailing_whitespace = true