config: use Spell Right for spell checking

Also add initial list of words to ignore

.vscode/settings.json

@@ -3,5 +3,14 @@
     "python.linting.pycodestyleEnabled": false,
     "python.linting.flake8Enabled": true,
     "python.linting.enabled": true,
-    "restructuredtext.confPath": "${workspaceFolder}/doc/api"
+    "restructuredtext.confPath": "${workspaceFolder}/doc/api",
+    "spellright.language": [
+        "en_US"
+    ],
+    "spellright.documentTypes": [
+        "markdown",
+        "latex",
+        "plaintext",
+        "python"
+    ]
 }

.vscode/spellright.dict

@@ -0,0 +1,31 @@
+automethod
+automodule
+autoclass
+bool
+de
+en
+fb
+int
+iter
+kp
+ki
+kd
+noindex
+PCM
+rtype
+str
+
+
+cityhub
+cplushub
+EV3
+ev3brick
+ev3devices
+LEGO
+LEGO®
+MINDSTORMS
+MINDSTORMS®
+movehub
+NXT
+Pybricks
+pupdevices