feat(language): add ABAP programming language (@hottek) (monkeytypegame#6784)

### Description

This PR adds language support for the ABAP programming language. It adds
code_abap with the 200 most used ABAP keywords and code_abap_1k with all
ABAP keywords from the current ABAP language version.

### Checks

- [x] Adding a language?
- Make sure to follow the [languages
documentation](https://github.com/monkeytypegame/monkeytype/blob/master/docs/LANGUAGES.md)
  - [x] Add language to `packages/schemas/src/languages.ts`
- [x] Add language to exactly one group in
`frontend/src/ts/constants/languages.ts`
  - [x] Add language json file to `frontend/static/languages` 
- [x] Check if any open issues are related to this PR; if so, be sure to
tag them below.
- [x] Make sure the PR title follows the Conventional Commits standard.
(https://www.conventionalcommits.org for more info)
- [x] Make sure to include your GitHub username prefixed with @ inside
parentheses at the end of the PR title.

Author: hottek

frontend/src/ts/constants/languages.ts

@@ -353,6 +353,8 @@ export const LanguageGroups: Record<string, Language[]> = {
     "code_common_lisp",
     "code_odin",
     "code_fortran",
+    "code_abap",
+    "code_abap_1k",
   ],
   viossa: ["viossa", "viossa_njutro"],
 };

frontend/static/languages/code_abap.json

@@ -0,0 +1,206 @@
+{
+  "name": "code_abap",
+  "orderedByFrequency": true,
+  "words": [
+    "SELECT",
+    "FROM",
+    "WHERE",
+    "ENDSELECT",
+    "LOOP",
+    "ENDLOOP",
+    "IF",
+    "ENDIF",
+    "ELSE",
+    "ELSEIF",
+    "CASE",
+    "WHEN",
+    "ENDCASE",
+    "DO",
+    "ENDDO",
+    "WHILE",
+    "ENDWHILE",
+    "READ",
+    "WRITE",
+    "MOVE",
+    "APPEND",
+    "INSERT",
+    "DELETE",
+    "MODIFY",
+    "CLEAR",
+    "REFRESH",
+    "DESCRIBE",
+    "CHECK",
+    "CONTINUE",
+    "EXIT",
+    "STOP",
+    "RETURN",
+    "PERFORM",
+    "CALL",
+    "FUNCTION",
+    "MODULE",
+    "FORM",
+    "ENDFORM",
+    "TABLES",
+    "DATA",
+    "TYPES",
+    "CONSTANTS",
+    "FIELD-SYMBOLS",
+    "ASSIGN",
+    "UNASSIGN",
+    "RANGES",
+    "PARAMETERS",
+    "SELECT-OPTIONS",
+    "INCLUDE",
+    "STRUCTURE",
+    "BEGIN",
+    "END",
+    "OF",
+    "WITH",
+    "INTO",
+    "USING",
+    "VALUE",
+    "LIKE",
+    "TYPE",
+    "AS",
+    "EXPORTING",
+    "IMPORTING",
+    "CHANGING",
+    "RAISING",
+    "EXCEPTIONS",
+    "FIELDS",
+    "COMPONENTS",
+    "MESSAGE",
+    "SYNTAX-CHECK",
+    "AUTHORITY-CHECK",
+    "COMMIT",
+    "ROLLBACK",
+    "START-OF-SELECTION",
+    "END-OF-SELECTION",
+    "TOP-OF-PAGE",
+    "END-OF-PAGE",
+    "AT",
+    "NEW",
+    "ENDAT",
+    "SUM",
+    "COLLECT",
+    "SORT",
+    "BY",
+    "GROUP BY",
+    "ORDER BY",
+    "HAVING",
+    "DISTINCT",
+    "JOIN",
+    "LEFT",
+    "RIGHT",
+    "INNER",
+    "OUTER",
+    "ON",
+    "IN",
+    "NOT",
+    "AND",
+    "OR",
+    "BETWEEN",
+    "IS",
+    "NULL",
+    "EXISTS",
+    "UNION",
+    "INTERSECT",
+    "MINUS",
+    "ALL",
+    "ANY",
+    "SOME",
+    "COUNT",
+    "AVG",
+    "MIN",
+    "MAX",
+    "ABS",
+    "ROUND",
+    "CEIL",
+    "FLOOR",
+    "TRUNC",
+    "MOD",
+    "DIV",
+    "ADD",
+    "SUBTRACT",
+    "MULTIPLY",
+    "DIVIDE",
+    "CONCATENATE",
+    "CONDENSE",
+    "REPLACE",
+    "SPLIT",
+    "SHIFT",
+    "OVERLAY",
+    "STRLEN",
+    "FIND",
+    "SEARCH",
+    "TRANSLATE",
+    "UPPER",
+    "LOWER",
+    "CHARACTER",
+    "NUMERIC",
+    "DATE",
+    "TIME",
+    "TIMESTAMP",
+    "ZONE",
+    "CURRENCY",
+    "DECIMALS",
+    "PACKED",
+    "FLOAT",
+    "INTEGER",
+    "STRING",
+    "XSTRING",
+    "BYTE",
+    "FIELD-GROUPS",
+    "CHAIN",
+    "ENDCHAIN",
+    "ENDMODULE",
+    "EVENTS",
+    "CLASS",
+    "ENDCLASS",
+    "INTERFACE",
+    "ENDINTERFACE",
+    "METHOD",
+    "ENDMETHOD",
+    "PUBLIC",
+    "PRIVATE",
+    "PROTECTED",
+    "INHERITING",
+    "REDEFINITION",
+    "FINAL",
+    "ABSTRACT",
+    "CREATE",
+    "OBJECT",
+    "CASTING",
+    "TRY",
+    "CATCH",
+    "ENDTRY",
+    "RAISE",
+    "EXCEPTION",
+    "LOG-POINT",
+    "BREAK-POINT",
+    "REPORT",
+    "DEFINING",
+    "IMPLEMENTATION",
+    "ENDFUNCTION",
+    "FILTER",
+    "INITIALIZATION",
+    "FOR",
+    "TO",
+    "STEP",
+    "NEXT",
+    "INITIAL",
+    "OPEN",
+    "CLOSE",
+    "FETCH",
+    "CORRESPONDING",
+    "SELECTION-SCREEN",
+    "ENHANCEMENT",
+    "DATABASE",
+    "METHODS",
+    "INTERFACES",
+    "CONVERSION",
+    "DEFINITION",
+    "REFERENCE",
+    "SY-SUBRC"
+  ]
+}