Fix typos and grammatical issues (#32)

* Fix typo: Exension -> Extension

* Fix grammatical issues in comments and documentation

- Fix inconsistent heading level for 0.0.7 release note in README
- Fix capitalization of Owner: Error! to match actual status bar text
- Fix capitalization of 'install' at start of bullet point in quickstart guide

Author: dduugg

README.md

@@ -16,11 +16,11 @@ Quick access to the owning team's config file. Clicking on the status bar item w
 
 ## Requirements
 
-This extension runs the [CodeOwnership](https://github.com/rubyatscale/code_ownership) CLI. You'll need to install and configure [CodeOwnership](https://github.com/rubyatscale/code_ownership) in your repository before using this extension. (Before it's set up, you'll see `Owner: error!` in the status bar.)
+This extension runs the [CodeOwnership](https://github.com/rubyatscale/code_ownership) CLI. You'll need to install and configure [CodeOwnership](https://github.com/rubyatscale/code_ownership) in your repository before using this extension. (Before it's set up, you'll see `Owner: Error!` in the status bar.)
 
 ## Release Notes
 
-## 0.0.7 - 2022-07-25
+### 0.0.7 - 2022-07-25
 
 - When the ownership status bar item indicates an error, clicking on the status bar item will show the extension's Output Channel.
 

src/extension.ts

@@ -114,7 +114,7 @@ export function activate(context: vscode.ExtensionContext) {
 
   vscode.commands.executeCommand('code-ownership-vscode.run');
 
-  log('info', 'Exension activated');
+  log('info', 'Extension activated');
 }
 
 type Owner = {

vsc-extension-quickstart.md

@@ -11,7 +11,7 @@
 
 ## Setup
 
-- install the recommended extensions (amodio.tsl-problem-matcher and dbaeumer.vscode-eslint)
+- Install the recommended extensions (amodio.tsl-problem-matcher and dbaeumer.vscode-eslint)
 
 ## Get up and running straight away