add codespell

Author: hathach

.codespell/exclude-file.txt

@@ -0,0 +1,4 @@
+ans
+ure
+clen
+ser

.codespell/ignore-words.txt

@@ -0,0 +1,10 @@
+# See: https://github.com/codespell-project/codespell#using-a-config-file
+[codespell]
+# In the event of a false positive, add the problematic word, in all lowercase, to 'ignore-words.txt' (one word per line).
+# Or copy & paste the whole problematic line to 'exclude-file.txt'
+ignore-words = .codespell/ignore-words.txt
+exclude-file = .codespell/exclude-file.txt
+check-filenames =
+check-hidden =
+count =
+skip = .cproject,.git,./lib,./locale

.codespellrc

@@ -11,6 +11,12 @@ repos:
         exclude: '^(tests/.*\.exp|tests/cmdline/.*|tests/.*/data/.*|ports/espressif/esp-idf-config/.*|ports/espressif/boards/.*/sdkconfig)'
     -   id: trailing-whitespace
         exclude: '^(tests/.*\.exp|tests/cmdline/.*|tests/.*/data/.*|lib/mbedtls_errors/.*)'
+-   repo: https://github.com/codespell-project/codespell
+    rev: v2.2.4
+    hooks:
+    -   id: codespell
+        #args: [-w]
+        exclude: ^locale/
 -   repo: local
     hooks:
     -   id: translations