add more resources to 'Learn Nim'

Author: narimiran

README.md

@@ -4,7 +4,7 @@ The Nim website hosted on https://nim-lang.org.
 
 ## Developing
 
-Install Jekyll, then ``cd jekyll`` and use `jekyll serve`
+Install Jekyll, then ``cd jekyll`` and use `bundle exec jekyll serve`
 to serve to a local Web server with automatic refresh on changes.
 
 ## License

jekyll/learn.html

@@ -19,9 +19,10 @@ <h3><a href="{{ site.baseurl }}/docs/tut2.html">Tutorial, part 2</a></h3>
       How to use Object Oriented Programming in Nim, exceptions,
       generics, and templates.
     </p>
-    <h3><a href="{{ site.baseurl }}/docs/tut3.html">Macro tutorial</a></h3>
+    <h3><a href="https://nim-lang.github.io/Nim/tut3.html">Macro tutorial</a></h3>
+    <!-- change to "{{ site.baseurl }}/docs/tut3.html" once v0.19.4 is published -->
     <p>
-      Learn about metaprogramming and macros.
+      Learn about meta-programming and macros.
     </p>
 
     <h2 class="">Books</h2>
@@ -97,8 +98,13 @@ <h3>
     <p>
       A 5-minute tour through Nim.
     </p>
+    <h3>
+      <a href="https://scripter.co/notes/nim">Nim Notes</a>
+    </h3>
+    <p>
+      A collection of Nim snippets with brief notes.
+    </p>
 
-    &nbsp;
     <h2 class="">Nim for...</h2>
     <h3>
       <a href="https://github.com/nim-lang/Nim/wiki/Nim-for-C-programmers">
@@ -113,13 +119,13 @@ <h3>
 
     <h2 class="">Blogs</h2>
     <h3>
-        <a href="http://goran.krampe.se/category/nim/">Goran Krampe</a>
+      <a href="http://goran.krampe.se/category/nim/">Goran Krampe</a>
     </h3>
     <p>
       OOP in Nim, Arduino and Nim, and more.
     </p>
     <h3>
-        <a href="https://hookrace.net/blog/nim/">HookRace</a>
+      <a href="https://hookrace.net/blog/nim/">HookRace</a>
     </h3>
     <p>
       NES emulator in Nim, SDL2 platformer, writing small binaries, etc.
@@ -128,16 +134,28 @@ <h3>
         <a href="https://peterme.net/">Peter's DevLog</a>
     </h3>
     <p>
-      Optionals, File handling, Window manager, etc.
+      Options, File handling, stack vs heap (ref) objects, etc.
+    </p>
+    <h3>
+        <a href="https://planet.nim-lang.org">Nim Planet</a>
+    </h3>
+    <p>
+      Aggregated feed of Nim blogs.
     </p>
 
-    <h2 class="">Code challenges</h2>
+    <h2 class="">Other</h2>
     <h3>
-        <a href="https://exercism.io/my/tracks/nim">Exercism.io</a>
+      <a href="https://exercism.io/my/tracks/nim">Exercism.io</a>
     </h3>
     <p>
       Learn Nim by solving short challenges.
     </p>
+    <h3>
+      <a href="http://rosettacode.org/wiki/Category:Nim">Rosetta Code</a>
+    </h3>
+    <p>
+      Rosetta Code tasks solved in Nim.
+    </p>
   </div>
 
 </section>