Add Fathom analytics support

Signed-off-by: Harsh Shandilya <msfjarvis@gmail.com>

config.toml

@@ -15,7 +15,8 @@ theme = "hello-friend-ng"
   keywords = "homepage, blog, android, kotlin, programming"
   contentTypeName = "posts"
   defaultTheme = "dark"
-  customJS = ["https://stats.msfjarvis.website/kis3.js"]
+  FathomAnalyticsDomain = "stats.msfjarvis.website"
+  FathomAnalyticsSiteId = "BXNEC"
 
 [menu]
   [[menu.main]]

themes/hello-friend-ng/layouts/partials/javascript.html

@@ -16,6 +16,24 @@
     </script>
 {{- end}}
 
+{{- if .Site.Params.FathomAnalyticsDomain }}
+    <!-- Fathom - simple website analytics - https://github.com/usefathom/fathom -->
+    <script>
+    (function(f, a, t, h, o, m){
+        a[h]=a[h]||function(){
+            (a[h].q=a[h].q||[]).push(arguments)
+        };
+        o=f.createElement('script'),
+        m=f.getElementsByTagName('script')[0];
+        o.async=1; o.src=t; o.id='fathom-script';
+        m.parentNode.insertBefore(o,m)
+    })(document, window, '//{{.Site.Params.FathomAnalyticsDomain}}/tracker.js', 'fathom');
+    fathom('set', 'siteId', '{{.Site.Params.FathomAnalyticsSiteId}}');
+    fathom('trackPageview');
+    </script>
+    <!-- / Fathom -->
+{{- end }}
+
 {{ range $val := $.Site.Params.customJS }}
 	{{ if gt (len $val) 0 }}
 		<script src="{{ $val }}"></script>