Pass string views by value

string_view should always be passed by value;  This commit is a sed
replace of the code to make all string_views pass by value, per general
coding guidelines[1].

[1] https://quuxplusone.github.io/blog/2021/11/09/pass-string-view-by-value/

Tested: Code compiles.

Signed-off-by: Ed Tanous <edtanous@google.com>
Change-Id: I55b342a29a0fbfce0a4ed9ea63db6014d03b134c
diff --git a/http/http_response.hpp b/http/http_response.hpp
index f9204e4..5cbdb28 100644
--- a/http/http_response.hpp
+++ b/http/http_response.hpp
@@ -27,7 +27,7 @@
 
     nlohmann::json jsonValue;
 
-    void addHeader(const std::string_view key, const std::string_view value)
+    void addHeader(std::string_view key, std::string_view value)
     {
         stringResponse->set(key, value);
     }