env: add debug conf for vscode

.vscode/launch.json

@@ -0,0 +1,31 @@
+{
+    "version": "0.2.0",
+    "configurations": [
+        {
+            "name": "OpenOCD-Debug",
+            "type": "cortex-debug",
+            "request": "launch",
+            "servertype": "openocd",
+            "executable": "build/ch.elf",
+            "configFiles": [
+                "interface/stlink.cfg",
+                "target/stm32f0x.cfg"
+            ],
+            "cwd": "${workspaceRoot}",
+            "svdFile": "STM32F0x2.svd",
+            "device": "stm32f0x",
+            "preLaunchTask": "build",
+        },
+        {
+            "name": "STLink-Debug",
+            "type": "cortex-debug",
+            "request": "launch",
+            "servertype": "stutil",
+            "executable": "build/ch.elf",
+            "cwd": "${workspaceRoot}",
+            "svdFile": "STM32F0x2.svd",
+            "device": "stm32f0x",
+            "preLaunchTask": "build",
+        }
+    ]
+}

.vscode/tasks.json

@@ -2,19 +2,19 @@
     "version": "2.0.0",
     "tasks": [
         {
-            "label": "make",
+            "label": "build",
             "type": "shell",
             "command": "make",
-            "group": "build"
+            "group": {
+                "kind": "build",
+                "isDefault": true
+            }
         },
         {
             "label": "flash",
             "type": "shell",
             "command": "make dfu flash",
-            "group": {
-                "kind": "build",
-                "isDefault": true
-            }
+            "group": "build"
         }
     ]
 }