Make minor updates

Included are the following changes:

- Replaced Twitter redirect with Mastodon redirect
- Also replaced Twitter with Mastodon in nav
- Adjusted nav element spacing
- Added missing period on Sponsorship page
- Updated homepage blurb to be more accurate

Author: nkantar

input/assets/style/_main.scss

@@ -64,7 +64,7 @@ header {
 
       li {
         display: inline-block;
-        margin-right: 10px;
+        margin-right: 8px;
 
         &:last-child {
           margin-right: 0;

input/index.md

@@ -4,6 +4,6 @@
 
 **SoCal Python** is a Los Angeles area Python enthusiast group.
 
-We meet on the fourth or last Tuesday of every month at various locations throughout the city.
+We used to meet on the fourth or last Tuesday of every month at various locations throughout the city, but are currently effectively on hiatus.
 
-Join the [Meetup group](https://www.meetup.com/socalpython/) for more information.
+Join the [Meetup group](https://www.meetup.com/socalpython/) to hear about future events.

input/mastodon/index.md

@@ -0,0 +1,3 @@
+---
+redirect: "https://fosstodon.org/@socalpython"
+---

input/sponsorship/index.md

@@ -34,4 +34,4 @@ First off: Thank you for supporting the local Python community!
 - Priority for speakers who work for the sponsor who want to give presentations at the meetup, if the presenter has not been chosen before the sponsor approaches us.
 - Warmest, fuzziest feelings for contributing to the local Python community!
 
-To get started, please contact the organizers via [Meetup](http://meetup.com/socalpython)
+To get started, please contact the organizers via [Meetup](http://meetup.com/socalpython).

input/twitter/index.md

@@ -40,15 +40,15 @@
         <h1><a href="/">SoCal Python</a></h1>
         <nav>
           <ul>
-            <li ><a href="/">Home</a></li>
-            <li ><a href="/about">About</a></li>
-            <li ><a href="/speaking">Speaking</a></li>
-            <li ><a href="/sponsorship">Sponsorship</a></li>
-            <li ><a href="/conduct">Code of Conduct</a></li>
-            <li ><a href="/meetup">Meetup</a></li>
-            <li ><a href="/slack">Slack</a></li>
-            <li ><a href="/github">GitHub</a></li>
-            <li ><a href="/twitter">Twitter</a></li>
+            <li><a href="/">Home</a></li>
+            <li><a href="/about">About</a></li>
+            <li><a href="/speaking">Speaking</a></li>
+            <li><a href="/sponsorship">Sponsorship</a></li>
+            <li><a href="/conduct">Code of Conduct</a></li>
+            <li><a href="/meetup">Meetup</a></li>
+            <li><a href="/slack">Slack</a></li>
+            <li><a href="/github">GitHub</a></li>
+            <li><a href="/mastodon">Mastodon</a></li>
           </ul>
         </nav>
       </header>