codespell: add codespell configuration

add codespell configuration with ignored lines for nimble

Signed-off-by: raiden00pl <raiden00@railab.me>

.codespell-ignore-lines

@@ -0,0 +1,2 @@
+      mynewt-nimble/nimble/host/services/ans/src/ble_svc_ans.c
+      mynewt-nimble/nimble/host/services/ans/include

.codespellrc

@@ -0,0 +1,10 @@
+[codespell]
+
+# Add complete lines to be ignored to this file.
+# Example for ignoring all current occurrences of (verifiably correct) word usage:
+#   grep -hirw "emac" | sort | uniq >>.codespell-ignore-lines
+exclude-file = .codespell-ignore-lines
+
+# Ignore complete files (e.g. legal text or other immutable material).
+skip =
+  LICENSE,