docs: clarify process to connect to 3/3X over ADB (#35090)

* three

* codespell being smart with me

---------

Co-authored-by: Maxime Desroches <desroches.maxime@gmail.com>

docs/assets/three-back.svg

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:8a5245f9458982b608fee67fc689d899ca638a405ff62bf9db5e4978b177ef3e
+size 121394

docs/how-to/connect-to-comma.md

@@ -32,9 +32,13 @@ For doing development work on device, it's recommended to use [SSH agent forward
 
 ## ADB
 
-In order to use ADB on your device, you'll need to enable it in the device's settings.
+In order to use ADB on your device, you'll need to perform the following steps using the image below for reference:
 
+![comma 3/3x back](../assets/three-back.svg)
+
+* Plug your device into constant power using port 2, letting the device boot up
 * Enable ADB in your device's settings
+* Plug in your device to your PC using port 1
 * Connect to your device
     * `adb shell` over USB
     * `adb connect` over WiFi

pyproject.toml

@@ -171,7 +171,7 @@ quiet-level = 3
 # if you've got a short variable name that's getting flagged, add it here
 ignore-words-list = "bu,ro,te,ue,alo,hda,ois,nam,nams,ned,som,parm,setts,inout,warmup,bumb,nd,sie,preints,whit,indexIn,ws,uint,grey,deque,stdio,amin,BA,LITE,atEnd,UIs,errorString,arange,FocusIn,od,tim,relA,hist,copyable,jupyter,thead,TGE,abl"
 builtin = "clear,rare,informal,code,names,en-GB_to_en-US"
-skip = "./third_party/*, ./tinygrad/*, ./tinygrad_repo/*, ./msgq/*, ./panda/*, ./opendbc/*, ./opendbc_repo/*, ./rednose/*, ./rednose_repo/*, ./teleoprtc/*, ./teleoprtc_repo/*, *.ts, uv.lock, *.onnx, ./cereal/gen/*, */c_generated_code/*"
+skip = "./third_party/*, ./tinygrad/*, ./tinygrad_repo/*, ./msgq/*, ./panda/*, ./opendbc/*, ./opendbc_repo/*, ./rednose/*, ./rednose_repo/*, ./teleoprtc/*, ./teleoprtc_repo/*, *.ts, uv.lock, *.onnx, ./cereal/gen/*, */c_generated_code/*, docs/assets/*"
 
 [tool.mypy]
 python_version = "3.11"