standardize on 'front matter'

.cspell.json

@@ -17,7 +17,7 @@
   ],
   "patterns": [
     {
-      "name": "frontmatter",
+      "name": "front_matter",
       "pattern": "/^(-{3}|[+]{3})$(\\s|\\S)*?^\\1$/gm"
     },
     {
@@ -29,7 +29,7 @@
     {
       "languageId": "markdown",
       "ignoreRegExpList": [
-        "frontmatter",
+        "front_matter",
         "proper_nouns"
       ]
     }

content/journal/spellcheck-your-hugo-site-with-cspell/index.md

@@ -50,7 +50,7 @@ My site (especially the stuff in [/elsewhere][2] that I've mirrored from my comp
 ```json
 "patterns": [
   {
-    "name": "frontmatter",
+    "name": "front_matter",
     "pattern": "/^(-{3}|[+]{3})$(\\s|\\S)*?^\\1$/gm"
   }
 ],
@@ -58,7 +58,7 @@ My site (especially the stuff in [/elsewhere][2] that I've mirrored from my comp
   {
     "languageId": "markdown",
     "ignoreRegExpList": [
-      "frontmatter",
+      "front_matter",
     ]
   }
 ]
@@ -81,7 +81,7 @@ My site (especially the stuff in [/elsewhere][2] that I've mirrored from my comp
   {
     "languageId": "markdown",
     "ignoreRegExpList": [
-      "frontmatter",
+      "front_matter",
       "proper_nouns"
     ]
   }
@@ -152,7 +152,7 @@ sort -o .dictionary .dictionary
   ],
   "patterns": [
     {
-      "name": "frontmatter",
+      "name": "front_matter",
       "pattern": "/^(-{3}|[+]{3})$(\\s|\\S)*?^\\1$/gm"
     },
     {
@@ -164,7 +164,7 @@ sort -o .dictionary .dictionary
     {
       "languageId": "markdown",
       "ignoreRegExpList": [
-        "frontmatter",
+        "front_matter",
         "proper_nouns"
       ]
     }