Move .clang-format to project root (eBay#855)

Relocating .clang-format to the root directory ensures it is likely to
be automatically detected by IDEs, maintaining consistent code style
and avoid meaningless back-and-forth formatting changes.

Signed-off-by: Jilong Kou <jkou@ebay.com>

Author: koujl

src/.clang-format .clang-formatsrc/.clang-format renamed to .clang-format

@@ -9,7 +9,7 @@
 
 class HomestoreConan(ConanFile):
     name = "homestore"
-    version = "7.3.0"
+    version = "7.3.1"
 
     homepage = "https://github.com/eBay/Homestore"
     description = "HomeStore Storage Engine"