docs(vale): Enable vale and fix errors (espressif#10231)

* docs(vale): Enable vale and fix errors

* Apply suggestions

Author: lucasssvaz

.pre-commit-config.yaml

@@ -65,8 +65,6 @@ repos:
         pass_filenames: false
         args: [sync]
         types_or: [markdown, rst]
-        stages: [manual]
       - id: vale
         language_version: "1.21.6"
         types_or: [markdown, rst]
-        stages: [manual]

.vale.ini

@@ -23,7 +23,7 @@ StylesPath = .vale/styles
 
 
 # Specify the minimum alert severity that Vale will report.
-MinAlertLevel = suggestion # "suggestion", "warning", or "error"
+MinAlertLevel = error # "suggestion", "warning", or "error"
 
 
 # Specify vocabulary for special treatment.