Add a clearer panic message if settings.json is malformed

framework/meta/src/cmd/install/install_debugger.rs

@@ -102,7 +102,9 @@ fn configure_vscode() {
 
     let script_full_path = get_script_path(home::home_dir().unwrap().join(TARGET_PATH));
     let json = fs::read_to_string(&path_to_settings).expect("Unable to read settings.json");
-    let mut sub_values: serde_json::Value = serde_json::from_str(&json).unwrap();
+    let mut sub_values: serde_json::Value = serde_json::from_str(&json).unwrap_or_else(
+        |err: serde_json::Error| panic!("Incorrectly formatted VSCode settings.json file. The error is locatted at line {}, column {}. This error might be caused either by a trailling comma in the settings file (which is, actually, pretty usual), or the settings file was not correctly edited and saved. Please check your file via a JSON linter and fix the settings file before attempting to run the install command again.", err.line(), err.column())
+    );
 
     let init_commands = sub_values
         .as_object_mut()