Fix two typos and add a spellcheck

.github/workflows/spellcheck.yml

@@ -0,0 +1,20 @@
+name: Spellcheck
+
+on: [push, pull_request]
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
+  cancel-in-progress: true
+
+jobs:
+  spellcheck:
+    name: Spelling
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v4
+      with:
+        ref: ${{ github.event.pull_request.head.sha }}
+        show-progress: false
+    - uses: codespell-project/actions-codespell@master
+      with:
+        path: docs/

docs/docs/releases/0.1.3.md

@@ -54,7 +54,7 @@ This release:
 - Properly detect identity columns _([#3125](https://github.com/centerofci/mathesar/pull/3125))_
 - Wiring sql functions for links and tables _([#3130](https://github.com/centerofci/mathesar/pull/3130))_
 - Tests for alter table _([#3139](https://github.com/centerofci/mathesar/pull/3139))_
-- Add constraint copying to column extration logic _([#3168](https://github.com/centerofci/mathesar/pull/3168))_
+- Add constraint copying to column extraction logic _([#3168](https://github.com/centerofci/mathesar/pull/3168))_
 
 ### Summarization improvements
 

docs/docs/releases/0.1.4.md

@@ -40,7 +40,7 @@ _[#3186](https://github.com/mathesar-foundation/mathesar/pull/3186) [#3219](http
 
 ### Text-only imports
 
-When importing CSV data, Mathesar now gives you the option to use `TEXT` as the database type for all columns. This choice speeds up the import for larger data sets by skipping the process of guessing colum types.
+When importing CSV data, Mathesar now gives you the option to use `TEXT` as the database type for all columns. This choice speeds up the import for larger data sets by skipping the process of guessing column types.
 
 ![image](https://github.com/mathesar-foundation/mathesar/assets/42411/6e0b5b1c-2e10-4e1f-8ad3-f4d99d28d8a9)
 

docs/docs/user-guide/importing-data.md

@@ -10,8 +10,8 @@ Fields in the CSV data may be delimited by any of the following characters:
 
 | Name | Character | Notes |
 | -- | -- | -- |
-| Comma | `,` | A traditional CSV file (a "**C**omma **S**eparated **V**alue" document) |
-| Tab | _(not printable)_ | This is sometimes referred to as a _TSV_ file (a "**T**ab **S**eparated **V**alue" document) |
+| Comma | `,` | A traditional CSV file (a "**C**omma **S**eparated **V**alue" document) | <!-- codespell:ignore alue -->
+| Tab | _(not printable)_ | This is sometimes referred to as a _TSV_ file (a "**T**ab **S**eparated **V**alue" document) | <!-- codespell:ignore alue-->
 | Semicolon | `;` |  |
 | Colon | `:` |  |
 | Pipe | `|` |  |