chore: remove 2nd 'Plain Text' and fixed the order of 'Pug' (#265)

Author: AuroraTea

src/renderer/components/editor/README.md

@@ -105,7 +105,6 @@ This is a list of language that supports in massCode.
 - PHP (Blade Template)
 - Pig
 - Plain Text
-- Plain Text
 - Powershell
 - Praat
 - Prisma

src/renderer/components/editor/languages.ts

@@ -375,12 +375,6 @@ export const languages: LanguageOption[] = [
     grammar: () => import('./grammars/io.tmLanguage.json'),
     scopeName: 'source.io'
   },
-  {
-    name: 'Pug',
-    value: 'pug',
-    grammar: () => import('./grammars/pug.tmLanguage.json'),
-    scopeName: 'text.pug'
-  },
   {
     name: 'Java',
     value: 'java',
@@ -622,7 +616,12 @@ export const languages: LanguageOption[] = [
     grammar: () => import('./grammars/pig.tmLanguage.json'),
     scopeName: 'source.pig'
   },
-  { name: 'Plain Text', value: 'plain_text' },
+  {
+    name: 'Plain Text',
+    value: 'plain_text',
+    grammar: () => import('./grammars/plain-text.tmLanguage.json'),
+    scopeName: 'text.plain'
+  },
   {
     name: 'Powershell',
     value: 'powershell',
@@ -659,6 +658,12 @@ export const languages: LanguageOption[] = [
     grammar: () => import('./grammars/protobuf.tmLanguage.json'),
     scopeName: 'source.proto'
   },
+  {
+    name: 'Pug',
+    value: 'pug',
+    grammar: () => import('./grammars/pug.tmLanguage.json'),
+    scopeName: 'text.pug'
+  },
   {
     name: 'Puppet',
     value: 'puppet',
@@ -857,12 +862,6 @@ export const languages: LanguageOption[] = [
     grammar: () => import('./grammars/tex.tmLanguage.json'),
     scopeName: 'text.tex'
   },
-  {
-    name: 'Plain Text',
-    value: 'plain_text',
-    grammar: () => import('./grammars/plain-text.tmLanguage.json'),
-    scopeName: 'text.plain'
-  },
   {
     name: 'Textile',
     value: 'textile',