Moved some pages into new Engineering Practices

Author: antonpirker

develop-docs/development/code-review.mdx …cs/engineering-practices/code-review.mdxdevelop-docs/development/code-review.mdx renamed to develop-docs/engineering-practices/code-review.mdx develop-docs/development/code-review.mdx renamed to develop-docs/engineering-practices/code-review.mdx

@@ -0,0 +1,6 @@
+---
+title: Engineering Practices
+sidebar_order: 20
+---
+
+<PageGrid />

…lop-docs/development/commit-messages.mdx …ngineering-practices/commit-messages.mdxdevelop-docs/development/commit-messages.mdx renamed to develop-docs/engineering-practices/commit-messages.mdx develop-docs/development/commit-messages.mdx renamed to develop-docs/engineering-practices/commit-messages.mdx

@@ -1,7 +1,7 @@
 ---
 title: Rust Development
 description: This is a document that contains a bunch of useful resources for getting started with Rust and adhering to our coding principles.
-sidebar_order: 90
+sidebar_order: 40
 ---
 
 ## Getting Started

…velop-docs/development/documentation.mdx …/engineering-practices/documentation.mdxdevelop-docs/development/documentation.mdx renamed to develop-docs/engineering-practices/documentation.mdx develop-docs/development/documentation.mdx renamed to develop-docs/engineering-practices/documentation.mdx

@@ -10,6 +10,7 @@ import {docNodeToNavNode, getNavNodes} from './utils';
 
 const devDocsMenuItems: {root: string; title: string; hideChevron?: boolean}[] = [
   {root: 'getting-started', title: 'Getting Started', hideChevron: true},
+  {root: 'engineering-practices', title: 'Engineering Practices'},
   {root: 'development', title: 'Development'},
   {root: 'application', title: 'Application'},
   {root: 'frontend', title: 'Frontend'},