Add yet-another-react-lightbox package and update .gitignore to exclude node_modules

frontend/node_modules/eslint/lib/rules/utils/unicode/index.js

@@ -1,16 +0,0 @@
-/**
- * @author Toru Nagashima <https://github.com/mysticatea>
- */
-"use strict";
-
-const isCombiningCharacter = require("./is-combining-character");
-const isEmojiModifier = require("./is-emoji-modifier");
-const isRegionalIndicatorSymbol = require("./is-regional-indicator-symbol");
-const isSurrogatePair = require("./is-surrogate-pair");
-
-module.exports = {
-    isCombiningCharacter,
-    isEmojiModifier,
-    isRegionalIndicatorSymbol,
-    isSurrogatePair
-};

frontend/node_modules/eslint/lib/rules/utils/unicode/is-combining-character.js

@@ -1,13 +0,0 @@
-/**
- * @author Toru Nagashima <https://github.com/mysticatea>
- */
-"use strict";
-
-/**
- * Check whether a given character is a combining mark or not.
- * @param {number} codePoint The character code to check.
- * @returns {boolean} `true` if the character belongs to the category, any of `Mc`, `Me`, and `Mn`.
- */
-module.exports = function isCombiningCharacter(codePoint) {
-    return /^[\p{Mc}\p{Me}\p{Mn}]$/u.test(String.fromCodePoint(codePoint));
-};

frontend/node_modules/eslint/lib/rules/utils/unicode/is-emoji-modifier.js

@@ -1,13 +0,0 @@
-/**
- * @author Toru Nagashima <https://github.com/mysticatea>
- */
-"use strict";
-
-/**
- * Check whether a given character is an emoji modifier.
- * @param {number} code The character code to check.
- * @returns {boolean} `true` if the character is an emoji modifier.
- */
-module.exports = function isEmojiModifier(code) {
-    return code >= 0x1F3FB && code <= 0x1F3FF;
-};

frontend/node_modules/eslint/lib/rules/utils/unicode/is-regional-indicator-symbol.js

@@ -1,13 +0,0 @@
-/**
- * @author Toru Nagashima <https://github.com/mysticatea>
- */
-"use strict";
-
-/**
- * Check whether a given character is a regional indicator symbol.
- * @param {number} code The character code to check.
- * @returns {boolean} `true` if the character is a regional indicator symbol.
- */
-module.exports = function isRegionalIndicatorSymbol(code) {
-    return code >= 0x1F1E6 && code <= 0x1F1FF;
-};

frontend/node_modules/eslint/lib/rules/utils/unicode/is-surrogate-pair.js

@@ -1,14 +0,0 @@
-/**
- * @author Toru Nagashima <https://github.com/mysticatea>
- */
-"use strict";
-
-/**
- * Check whether given two characters are a surrogate pair.
- * @param {number} lead The code of the lead character.
- * @param {number} tail The code of the tail character.
- * @returns {boolean} `true` if the character pair is a surrogate pair.
- */
-module.exports = function isSurrogatePair(lead, tail) {
-    return lead >= 0xD800 && lead < 0xDC00 && tail >= 0xDC00 && tail < 0xE000;
-};