feat(social-links): allow subreddit (#1371)

Author: ReenigneArcher

_config.yml

@@ -59,7 +59,7 @@ social-network-links:
   youtube: "@daattali"
   whatsapp: 15551212
 #  medium: yourname
-#  reddit: yourname
+#  reddit: yourname or r/yoursubreddit
 #  linkedin: daattali
 #  xing: yourname
 #  stackoverflow: "3943160/daattali"
@@ -76,7 +76,7 @@ social-network-links:
 #  bluesky: yourname
 #  ORCID: your ORCID ID
 #  google-scholar: your google scholar
-#  discord: "invite_code" or "users/userid" or "invite/invite_code" 
+#  discord: "invite_code" or "users/userid" or "invite/invite_code"
 #  kaggle: yourname
 #  hackerrank: yourname
 #  gitlab: yourname
@@ -214,23 +214,23 @@ footer-hover-col: "#0085A1"
 #  label: blog-comments # Label that will be assigned to GitHub Issues created by Utterances
 
 # To use Staticman comments, uncomment the following section. You may leave the reCaptcha
-# section commented if you aren't using reCaptcha for spam protection. 
-# Using Staticman requires advanced knowledge, please consult 
-# https://github.com/eduardoboucas/staticman/ and https://staticman.net/ for further 
-# instructions. For any support with staticman please direct questions to staticman and 
+# section commented if you aren't using reCaptcha for spam protection.
+# Using Staticman requires advanced knowledge, please consult
+# https://github.com/eduardoboucas/staticman/ and https://staticman.net/ for further
+# instructions. For any support with staticman please direct questions to staticman and
 # not to BeautifulJekyll.
 #staticman:
 #  repository : # GitHub username/repository eg. "daattali/beautiful-jekyll"
 #  branch     : master # If you're not using `master` branch, then you also need to update the `branch` parameter in `staticman.yml`
 #  endpoint   : # URL of your deployment, with a trailing slash eg. "https://<your-api>/v3/entry/github/"
-#  reCaptcha:   # (optional, set these parameters in `staticman.yml` as well) 
+#  reCaptcha:   # (optional, set these parameters in `staticman.yml` as well)
 #    siteKey  : # You need to apply for a site key on Google
 #    secret   : # Encrypt your password by going to https://<your-own-api>/v3/encrypt/<your-site-secret>
 
 # To use giscus comments:
-# (0) Uncomment the following giscus section, (1) Enable Discussions in your GitHub repository, 
+# (0) Uncomment the following giscus section, (1) Enable Discussions in your GitHub repository,
 # (2) Install the giscus app in your repository (details at https://giscus.app),
-# (3) Fill in *all* the parameters below 
+# (3) Fill in *all* the parameters below
 # See more details about giscus and each of the following parameters at https://giscus.app
 #giscus:
 #  hostname: giscus.app # Replace with your giscus instance's hostname if self-hosting

_includes/social-networks-links.html

@@ -112,8 +112,12 @@
   {%- endif -%}
 
   {%- if network[0] == "reddit" -%}
+  {% assign reddit_start = network[1] | split: "/" | first -%}
+  {% unless reddit_start == 'r' or reddit_start == 'u' -%}
+    {% assign reddit_url_prefix = 'u/' -%}
+  {% endunless -%}
   <li class="list-inline-item">
-    <a href="https://reddit.com/u/{{ network[1] }}" title="Reddit">
+    <a href="https://reddit.com/{{ reddit_url_prefix }}{{ network[1] }}" title="Reddit">
       <span class="fa-stack fa-lg" aria-hidden="true">
         <i class="fas fa-circle fa-stack-2x"></i>
         <i class="fab fa-reddit fa-stack-1x fa-inverse"></i>
@@ -314,7 +318,7 @@
     </a>
   </li>
   {%- endif -%}
-  
+
   {%- if network[0] == "medium" -%}
   <li class="list-inline-item">
     <a href="https://medium.com/@{{ network[1] }}" title="Medium">
@@ -338,7 +342,7 @@
    </a>
   </li>
   {%- endif -%}
-  
+
   {%- if network[0] == "discord" -%}
   {% assign discord_start = network[1] | split: "/" | first -%}
   {% unless discord_start == 'users' or discord_start == 'invite' -%}
@@ -354,7 +358,7 @@
    </a>
   </li>
   {%- endif -%}
-  
+
   {%- if network[0] == "kaggle" -%}
   <li class="list-inline-item">
     <a href="https://www.kaggle.com/{{ network[1] }}" title="Kaggle">