New language: english doubleletter (#3664) QuackerDeezles

* New language: english doubleletter -> A 200-word list only including words that have the same letter used consecutively.

* english doubleletter error, comma syntax fixed!

* english doubleletter -> english_doubleletter

frontend/static/languages/_groups.json

@@ -9,7 +9,8 @@
       "english_25k",
       "english_450k",
       "english_commonly_misspelled",
-      "english_contractions"
+      "english_contractions",
+      "english_doubleletter"
     ]
   },
   {
@@ -429,4 +430,5 @@
     "name": "kyrgyz",
     "languages": ["kyrgyz"]
   }
+  
 ]

frontend/static/languages/_list.json

@@ -7,6 +7,7 @@
   ,"english_450k"
   ,"english_commonly_misspelled"
   ,"english_contractions"
+  ,"english_doubleletter"
   ,"spanish"
   ,"spanish_1k"
   ,"spanish_10k"

frontend/static/languages/english_doubleletter.json

@@ -0,0 +1,212 @@
+{
+    "name": "english_doubleletter",
+    "leftToRight": true,
+    "_comment": "Sourced from https://www.panopy.com/iphone/secret-ada/double-letter-words.html and https://grammar.yourdictionary.com/word-lists/words-with-double-letters.html",
+    "ligatures": false,
+    "noLazyMode": true,
+    "bcp47": "en-US",
+    "words": [
+      "been",
+      "rook",
+      "food",
+      "soon",
+      "feet",
+      "poor",
+      "deep",
+      "moon",
+      "hoot",
+      "adds",
+      "sees",
+      "roof",
+      "loop",
+      "beef",
+      "odds",
+      "keen",
+      "noon",
+      "wool",
+      "reef",
+      "ally",
+      "weed",
+      "zoom",
+      "full",
+      "hall",
+      "tree",
+      "pass",
+      "riff",
+      "watt",
+      "jazz",
+      "knee",
+      "buff",
+      "purr",
+      "mutt",
+      "eerie",
+      "llama",
+      "offer",
+      "books",
+      "issue",
+      "added",
+      "allow",
+      "weeks",
+      "occur",
+      "abbot",
+      "geese",
+      "annum",
+      "booth",
+      "upped",
+      "error",
+      "essay",
+      "hobby",
+      "buddy",
+      "steer",
+      "puffy",
+      "cello",
+      "gamma",
+      "henna",
+      "spoon",
+      "ferry",
+      "lasso",
+      "motto",
+      "savvy",
+      "pizza",
+      "agree",
+      "staff",
+      "radii",
+      "skull",
+      "taboo",
+      "gross",
+      "accord",
+      "oddity",
+      "meetup",
+      "affair",
+      "allele",
+      "immune",
+      "innate",
+      "noodle",
+      "oppose",
+      "appear",
+      "errand",
+      "issuer",
+      "attach",
+      "wobble",
+      "soccer",
+      "buddha",
+      "queens",
+      "muffin",
+      "beggar",
+      "mullet",
+      "hummer",
+      "panned",
+      "scoops",
+      "yippee",
+      "burrow",
+      "tassel",
+      "kettle",
+      "puzzle",
+      "bazaar",
+      "shabby",
+      "spleen",
+      "bluffs",
+      "smelly",
+      "cocoon",
+      "mousse",
+      "coffee",
+      "tariff",
+      "thrill",
+      "tattoo",
+      "assess",
+      "accuser",
+      "oddball",
+      "weekday",
+      "affront",
+      "ellipse",
+      "ammonia",
+      "unnamed",
+      "zoology",
+      "erratic",
+      "assault",
+      "attract",
+      "lobbies",
+      "vaccine",
+      "goddess",
+      "freeway",
+      "suffice",
+      "baggage",
+      "syllabi",
+      "hammock",
+      "funnier",
+      "trooper",
+      "zipping",
+      "burrows",
+      "fissure",
+      "lottery",
+      "dazzled",
+      "dribble",
+      "cheddar",
+      "squeeze",
+      "truffle",
+      "stagger",
+      "trolley",
+      "grammar",
+      "flannel",
+      "indoors",
+      "quarrel",
+      "chassis",
+      "smitten",
+      "grizzly",
+      "tobacco",
+      "succeed",
+      "locally",
+      "tyranny",
+      "monsoon",
+      "bizarre",
+      "embassy",
+      "rosette",
+      "balloon",
+      "bassoon",  
+      "lobbying",
+      "zucchini",
+      "adderall",
+      "keepsake",
+      "affluent",
+      "sluggish",
+      "withheld",
+      "parallel",
+      "roommate",
+      "biannual",
+      "spoonful",
+      "equipped",
+      "disarray",
+      "assessed",
+      "rebuttal",
+      "sizzling",
+      "gibberish",
+      "succulent",
+      "middleman",
+      "employees",
+      "diffusion",
+      "smuggling",
+      "illegally",
+      "asymmetry",
+      "innocuous",
+      "foolproof",
+      "pineapple",
+      "guerrilla",
+      "cassettes",
+      "unwritten",
+      "mezzanine",
+      "coordinate",
+      "colloquial",
+      "mayonnaise",
+      "antimatter",
+      "chimpanzee",
+      "percussion",
+      "mozzarella",
+      "commission",
+      "cappuccino",
+      "embarrass",
+      "football",
+      "millennium",
+      "happiness",
+      "misspell"
+    ]
+  }