Add clang format

Author: ryanmcdermott

.clang-format

@@ -0,0 +1,2 @@
+# Use the Google style in this project.
+BasedOnStyle: Google

devserver/main.cc

@@ -1,11 +1,11 @@
 #include "devserver/httplib/httplib.h"
 
-int main(int argc, char **argv)
-{
+int main(int argc, char **argv) {
   httplib::Server svr;
 
-  svr.Get("/", [](const httplib::Request &req, httplib::Response &res)
-          { res.set_content("Hello World!", "text/plain"); });
+  svr.Get("/", [](const httplib::Request &req, httplib::Response &res) {
+    res.set_content("Hello World!", "text/plain");
+  });
 
   svr.listen("localhost", 8080);
 }