Add snippets

snippets/cpp.snippets

@@ -4,3 +4,5 @@ snippet O0 Pragma to disable optimizations
 
   #pragma GCC pop_options
 
+snippet assertm Assert with a message
+	assert(${condition} && "${message}");

snippets/json.snippets

@@ -1,4 +1,4 @@
-snippet launch template of dap_config.json
+snippet dap_cpp template of dap_config.json
 	{
 		"version": "0.2.0",
 		"configurations": [
@@ -7,7 +7,21 @@ snippet launch template of dap_config.json
 				"request": "launch",
 				"name": "Launch",
 				"program": "./${exe}",
-				"args": [],
+				"args": []
+			}
+		]
+	}
+
+snippet dap_python template of dap_config.json
+	{
+		"version": "0.2.0",
+		"configurations": [
+			{
+				"type": "debugpy",
+				"request": "launch",
+				"name": "Launch",
+				"program": "./${file}",
+				"args": []
 			}
 		]
 	}