Add policy documentation, AGENTS.md, and update .gitignore

.gitignore

@@ -1,3 +1,6 @@
+# Compiled application binary
+weatherreporter
+
 # ---> Go
 # If you prefer the allow list template instead of the deny list, see community template:
 # https://github.com/github/gitignore/blob/main/community/Golang/Go.AllowList.gitignore
@@ -47,7 +50,8 @@ go.work.sum
 .LSOverride
 
 # Icon must end with two \r
-Icon
+Icon
+
 
 # Thumbnails
 ._*