vale cleanup (#2579)

* vale cleanup

* added --config flag to vale

* added --config flag to vale

* added --config flag to vale

* added --config flag to vale

* testing vale

.github/vale-styles/docs/FirstPerson.yml

@@ -0,0 +1,15 @@
+extends: existence
+message: "Avoid using first person (such as '%s')"
+ignorecase: true
+level: error
+nonword: true
+tokens:
+  - (?:^|\s)I\s
+  - (?:^|\s)I,\s
+  - \bI'd\b
+  - \bI'll\b
+  - \bI'm\b
+  - \bI've\b
+  - \bme\b
+  - \bmy\b
+  - \bmine\b