Whitespace: Automated whitespace fixes (large commit)

Apply the pre-commit hook whitespace fixes to all files in the repo.

(Line endings, blank lines at end of file, trailing whitespace)

examples/protocols/http2_request/main/http2_request_example_main.c

@@ -1,5 +1,5 @@
 /* HTTP2 GET Example using nghttp2
- 
+
    Contacts http2.golang.org and executes the GET/PUT requests. A thin API
    wrapper on top of nghttp2, to properly demonstrate the interactions.