feature: add edit suggestion links

src/components/GithubLogo.astro

@@ -0,0 +1,11 @@
+---
+const { class: className } = Astro.props
+---
+
+<svg
+  class={className}
+  viewBox="0 0 98 96"
+  xmlns="http://www.w3.org/2000/svg"
+>
+  <path fill-rule="evenodd" clip-rule="evenodd" d="M48.854 0C21.839 0 0 22 0 49.217c0 21.756 13.993 40.172 33.405 46.69 2.427.49 3.316-1.059 3.316-2.362 0-1.141-.08-5.052-.08-9.127-13.59 2.934-16.42-5.867-16.42-5.867-2.184-5.704-5.42-7.17-5.42-7.17-4.448-3.015.324-3.015.324-3.015 4.934.326 7.523 5.052 7.523 5.052 4.367 7.496 11.404 5.378 14.235 4.074.404-3.178 1.699-5.378 3.074-6.6-10.839-1.141-22.243-5.378-22.243-24.283 0-5.378 1.94-9.778 5.014-13.2-.485-1.222-2.184-6.275.486-13.038 0 0 4.125-1.304 13.426 5.052a46.97 46.97 0 0 1 12.214-1.63c4.125 0 8.33.571 12.213 1.63 9.302-6.356 13.427-5.052 13.427-5.052 2.67 6.763.97 11.816.485 13.038 3.155 3.422 5.015 7.822 5.015 13.2 0 18.905-11.404 23.06-22.324 24.283 1.78 1.548 3.316 4.481 3.316 9.126 0 6.6-.08 11.897-.08 13.526 0 1.304.89 2.853 3.316 2.364 19.412-6.52 33.405-24.935 33.405-46.691C97.707 22 75.788 0 48.854 0z" fill="currentColor"/>
+</svg>

src/components/PartHeading.astro

@@ -1,13 +1,26 @@
 ---
+import GithubLogo from './GithubLogo.astro'
+
 type Props = {
   part: number
   text: string
+  githubLink?: string
 }
 
-const { part, text } = Astro.props
+const { part, text, githubLink } = Astro.props
 ---
 
-<h1 class="my-12">
-  <div>Part {part}</div>
-  <div class="text-4xl font-bold">{text}</div>
-</h1>
+<div class="flex justify-between items-end my-12">
+  <h1>
+    <div>Part {part}</div>
+    <div class="text-4xl font-bold">{text}</div>
+  </h1>
+
+  {
+    githubLink && <button class="text-base text-stone-500 hover:text-stone-700">
+      <a href={githubLink} rel="noopener noreferrer" target="_blank" class="flex items-center">
+        Suggest an edit <GithubLogo class="inline-block w-4 h-4 ml-1" />
+      </a>
+    </button>
+  }
+</div>

src/pages/btree-under-a-microscope/basics.mdx

@@ -40,7 +40,11 @@ import plainBtree from '@images/plain-btree.png';
   </div>
 </div>
 
-<PartHeading text="The Basics" part={1} />
+<PartHeading
+  text="The Basics"
+  part={1}
+  githubLink="https://github.com/Goose97/ducnguyen.space/blob/main/src/pages/btree-under-a-microscope/basics.mdx"
+/>
 
 The one thing I love about B-Tree is that the core idea is crazy simple. I
 can't help myself nodding enthusiastically while reading about it: "Hmm, this

src/pages/btree-under-a-microscope/databases.mdx

@@ -49,7 +49,11 @@ import slottedPageFragmentation from '@images/slotted-page-fragmentation.png';
   </div>
 </div>
 
-<PartHeading text="Databases" part={2} />
+<PartHeading
+  text="Databases"
+  part={2}
+  githubLink="https://github.com/Goose97/ducnguyen.space/blob/main/src/pages/btree-under-a-microscope/databases.mdx"
+/>
 
 B-Tree is ubiquitous and appears everywhere, especially in the database realm.
 You can find a B-Tree implementation in almost every database nowadays,

src/pages/btree-under-a-microscope/optimizations.mdx

@@ -35,7 +35,11 @@ import slottedPage from '@images/slotted-page.png';
 </div>
 
 
-<PartHeading text="Optimizations" part={4} />
+<PartHeading
+  text="Optimizations"
+  part={4}
+  githubLink="https://github.com/Goose97/ducnguyen.space/blob/main/src/pages/btree-under-a-microscope/optimizations.mdx"
+/>
 
 We can apply a number of optimizations on the baseline design of B-Tree,
 each with different trade-offs. They aim to provide more compact tree

src/pages/btree-under-a-microscope/variations.mdx

@@ -33,7 +33,11 @@ import bLinkTree from '@images/b-link-tree.png';
   </div>
 </div>
 
-<PartHeading text="Variations" part={3} />
+<PartHeading
+  text="Variations"
+  part={3}
+  githubLink="https://github.com/Goose97/ducnguyen.space/blob/main/src/pages/btree-under-a-microscope/variations.mdx"
+/>
 
 B-Tree has different variations, improving different aspects of the base design.
 They all share a few things in common: tree structure, the balancing mechanism