🔧 chore(gitignore): update .gitignore file

- remove /.pio and .vscode entries
- clean up unnecessary ignore patterns

🔧 chore(vscode): add VSCode configuration files

- introduce launch.json for debug configuration
- add settings.json with rust analyzer and spell checker settings

.gitignore

@@ -5,8 +5,6 @@
 
 .DS_Store
 
-/.pio
-
 /set
 
 # Byte-compiled / optimized / DLL files
@@ -124,5 +122,3 @@ dmypy.json
 # Pyre type checker
 .pyre/
 
-.vscode
-

.vscode/launch.json

@@ -0,0 +1,36 @@
+// The format of this file is specified in https://probe.rs/docs/tools/debugger/#start-a-debug-session-with-minimum-configuration
+{
+  "version": "0.2.0",
+  "configurations": [
+    {
+      "preLaunchTask": "rust: cargo build",
+      "type": "probe-rs-debug",
+      "request": "launch",
+      "name": "rp2040-project",
+      "cwd": "${workspaceFolder}/embedded",
+      "chip": "rp2040",
+      // RP2040 doesn't support connectUnderReset
+      "connectUnderReset": false,
+      "speed": 4000,
+      "runtimeExecutable": "probe-rs",
+      "runtimeArgs": ["dap-server"],
+      "flashingConfig": {
+        "flashingEnabled": true,
+        "haltAfterReset": false
+      },
+      "coreConfigs": [
+        {
+          "coreIndex": 0,
+          "programBinary": "target/thumbv6m-none-eabi/debug/rp2040-project-template",
+          "rttEnabled": true
+          // Uncomment this if you've downloaded the SVD from
+          // https://github.com/raspberrypi/pico-sdk/raw/1.3.1/src/rp2040/hardware_regs/rp2040.svd
+          // and placed it in the .vscode directory
+          // "svdFile": "./.vscode/rp2040.svd",
+        }
+      ],
+      "consoleLogLevel": "Info", //Error, Warn, Info, Debug, Trace
+      "wireProtocol": "Swd"
+    }
+  ]
+}

.vscode/settings.json

@@ -0,0 +1,5 @@
+{
+  "cSpell.words": ["teensylc"],
+  "rust-analyzer.cargo.target": "thumbv6m-none-eabi",
+  "rust-analyzer.check.allTargets": false
+}