Rename Things, refactor some code

BREAKING: renames `binding_ip_addr` to `binding_ip` and `redis_connection_url` to `redis_url`.

Renames a lot of internals as well, but they are to many to mention.

src/handler/mod.rs

@@ -1 +1 @@
-pub mod public_path_handler;
+pub mod public_paths;

src/handler/public_paths.rs

@@ -17,15 +17,17 @@ static PUBLIC_DIRECTORY_NAME: &str = "public";
 /// 1. `/opt/websurfx` if it not present here then it fallbacks to the next one (2)
 /// 2. Under project folder ( or codebase in other words) if it is not present
 ///    here then it returns an error as mentioned above.
-pub fn handle_different_public_path() -> Result<String, Error> {
+pub fn get_public_path() -> Result<String, Error> {
     if Path::new(format!("/opt/websurfx/{}/", PUBLIC_DIRECTORY_NAME).as_str()).exists() {
-        Ok(format!("/opt/websurfx/{}", PUBLIC_DIRECTORY_NAME))
-    } else if Path::new(format!("./{}/", PUBLIC_DIRECTORY_NAME).as_str()).exists() {
-        Ok(format!("./{}", PUBLIC_DIRECTORY_NAME))
-    } else {
-        Err(Error::new(
-            std::io::ErrorKind::NotFound,
-            "Themes (public) folder not found!!",
-        ))
+        return Ok(format!("/opt/websurfx/{}", PUBLIC_DIRECTORY_NAME));
     }
+
+    if Path::new(format!("./{}/", PUBLIC_DIRECTORY_NAME).as_str()).exists() {
+        return Ok(format!("./{}", PUBLIC_DIRECTORY_NAME));
+    }
+
+    Err(Error::new(
+        std::io::ErrorKind::NotFound,
+        "Themes (public) folder not found!!",
+    ))
 }