Add coding and documentation standards instructions

Author: httpdss

.github/instructions/coding.instructions.md

@@ -0,0 +1,15 @@
+---
+applyTo: '**'
+---
+Coding standards, domain knowledge, and preferences that AI should follow.
+
+## General Guidelines
+
+- Use 2 spaces for indentation.
+- Write clear and concise comments to explain complex logic.
+
+## Pull Request Template
+
+- Use the provided pull request template located at .github/PULL_REQUEST_TEMPLATE.md to ensure all necessary information is included.
+- Fill in the sections with relevant details about the changes made, including a description of the issue being addressed and any additional context.
+- Use the checklist to confirm that you have followed the contributing guidelines and completed all necessary steps.

.github/instructions/documentation.instructions.md

@@ -0,0 +1,9 @@
+---
+applyTo: '**/*.md'
+---
+Coding standards, domain knowledge, and preferences that AI should follow.
+
+## General Guidelines
+
+- Add a space between the heading and the content
+- Use clear and concise language