feat: add HTTP server mode with updated docs and localization (#45)

- Update download instructions for clarity and consistency in all README files
- Add example configuration for HTTP mode to all README files
- Expand transport type support to include "http" in command-line flags and documentation
- Implement HTTP server mode in the application entrypoint
- Update log output behavior to include "http" mode alongside "sse" for stdout logging
- Refine Chinese README translations for greater accuracy and localization

Signed-off-by: appleboy <appleboy.tw@gmail.com>

Reviewed-on: https://gitea.com/gitea/gitea-mcp/pulls/45
Co-authored-by: appleboy <appleboy.tw@gmail.com>
Co-committed-by: appleboy <appleboy.tw@gmail.com>

cmd/cmd.go

@@ -21,13 +21,13 @@ func init() {
 		&flagPkg.Mode,
 		"t",
 		"stdio",
-		"Transport type (stdio or sse)",
+		"Transport type (stdio, sse or http)",
 	)
 	flag.StringVar(
 		&flagPkg.Mode,
 		"transport",
 		"stdio",
-		"Transport type (stdio or sse)",
+		"Transport type (stdio, sse or http)",
 	)
 	flag.StringVar(
 		&host,
@@ -39,7 +39,7 @@ func init() {
 		&port,
 		"port",
 		8080,
-		"sse port",
+		"see or http port",
 	)
 	flag.StringVar(
 		&token,