Add codespell support (config, workflow to detect/not fix) and make it fix few typos

.codespellrc

@@ -0,0 +1,6 @@
+[codespell]
+# Ref: https://github.com/codespell-project/codespell#using-a-config-file
+skip = .git*,*.lock,.codespellrc
+check-hidden = true
+# ignore-regex = 
+# ignore-words-list =

.github/workflows/codespell.yml

@@ -0,0 +1,25 @@
+# Codespell configuration is within .codespellrc
+---
+name: Codespell
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+    branches: [main]
+
+permissions:
+  contents: read
+
+jobs:
+  codespell:
+    name: Check for spelling errors
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Annotate locations with typos
+        uses: codespell-project/codespell-problem-matcher@v1
+      - name: Codespell
+        uses: codespell-project/actions-codespell@v2

README.md

@@ -266,7 +266,7 @@ your cards for you.
 
 ### SSD Read Speed Requirements
 
-Here's the sequential read speeds you'll need to benchmark specific resoultion & fps combos. If your SSD is not fast
+Here's the sequential read speeds you'll need to benchmark specific resolution & fps combos. If your SSD is not fast
 enough, your maximum fps scores will be lower due to i/o bottlenecking.
 
 ```text
@@ -315,7 +315,7 @@ you're more than welcome to use other IDE's.
 It's suggested that you setup automatic formatting in RustRover to avoid the `rustfmt` job failing and blocking your PR.
 
 Go to Settings -> Languages and Frameworks -> Rust -> Rustfmt, and
-enable `Use Rustfmt instead of the build-in formatter` and `Run Rustfmt automatically on Save`.
+enable `Use Rustfmt instead of the built-in formatter` and `Run Rustfmt automatically on Save`.
 
 ![rustrover-rustfmt.png](docs%2Frustrover-rustfmt.png)