[vale] Add some vale styles and an ini file

vale/.vale-styles/Microsoft/Foreign.yml

@@ -0,0 +1,12 @@
+extends: substitution
+message: "Use '%s' instead of '%s'."
+link: https://docs.microsoft.com/en-us/style-guide/word-choice/use-us-spelling-avoid-non-english-words
+ignorecase: true
+level: error
+nonword: true
+action:
+  name: replace
+swap:
+  '\b(?:eg|e\.g\.)[\s,]': for example
+  '\b(?:ie|i\.e\.)[\s,]': that is
+