More fixes for extention typo

This commit does some more fixes for wherever I
could find the string "Extention".
Disclaimer: I have not tested the effects of rendering
this series of fixes.

source/_data/miscellaneous.json

@@ -431,7 +431,7 @@
         "zotClass": false,
         "diasporaClass": false,
         "OStatusClass": false,
-        "categories": ["Extention"]
+        "categories": ["Extension"]
       },
       {
         "title": "Group Actor",
@@ -449,7 +449,7 @@
         "zotClass": false,
         "diasporaClass": false,
         "OStatusClass": false,
-        "categories": ["Extention"]
+        "categories": ["Extension"]
       },
       {
         "title": "Nextcloud-Social",
@@ -1007,7 +1007,7 @@
         "zotClass": false,
         "diasporaClass": false,
         "OStatusClass": false,
-        "categories": ["Extention"]
+        "categories": ["Extension"]
       },
       {
         "title": "GoToSocial",
@@ -1205,7 +1205,7 @@
         "zotClass": false,
         "diasporaClass": false,
         "OStatusClass": false,
-        "categories": ["Extention"]
+        "categories": ["Extension"]
       },
       {
         "title": "bopwiki",
@@ -1349,7 +1349,7 @@
         "zotClass": false,
         "diasporaClass": false,
         "OStatusClass": false,
-        "categories": ["Extention"]
+        "categories": ["Extension"]
       },
       {
         "title": "ForgeFlux",
@@ -1493,7 +1493,7 @@
         "zotClass": false,
         "diasporaClass": false,
         "OStatusClass": false,
-        "categories": ["Extention", "Ev-Meet"]
+        "categories": ["Extension", "Ev-Meet"]
       },
       {
         "title": "AP-Groups",
@@ -1511,7 +1511,7 @@
         "zotClass": false,
         "diasporaClass": false,
         "OStatusClass": false,
-        "categories": ["Extention"]
+        "categories": ["Extension"]
       },
       {
         "title": "snac",
@@ -1583,7 +1583,7 @@
         "zotClass": false,
         "diasporaClass": false,
         "OStatusClass": false,
-        "categories": ["Extention"]
+        "categories": ["Extension"]
       },
       {
         "title": "diaspora*",

themes/starter/source/assets/scss/modules/_misc.scss

@@ -251,7 +251,7 @@
 #data:checked ~ .misc__grid .card:not(.OpenData),
 #reviews:checked ~ .misc__grid .card:not(.Reviews),
 #games:checked ~ .misc__grid .card:not(.Games),
-#extend:checked ~ .misc__grid .card:not(.Extention),
+#extend:checked ~ .misc__grid .card:not(.Extension),
 #libs:checked ~ .misc__grid .card:not(.Libs),
 #specs:checked ~ .misc__grid .card:not(.Specs),
 #dev:checked ~ .misc__grid .card:not(.Develop),