add codemirror & simplemde plugin files

package-lock.json

@@ -2619,6 +2619,19 @@
       "integrity": "sha1-DQcLTQQ6W+ozovGkDi7bPZpMz3c=",
       "dev": true
     },
+    "codemirror": {
+      "version": "5.56.0",
+      "resolved": "https://registry.npmjs.org/codemirror/-/codemirror-5.56.0.tgz",
+      "integrity": "sha512-MfKVmYgifXjQpLSgpETuih7A7WTTIsxvKfSLGseTY5+qt0E1UD1wblZGM6WLenORo8sgmf+3X+WTe2WF7mufyw=="
+    },
+    "codemirror-spell-checker": {
+      "version": "1.1.2",
+      "resolved": "https://registry.npmjs.org/codemirror-spell-checker/-/codemirror-spell-checker-1.1.2.tgz",
+      "integrity": "sha1-HGYPkIlIPMtRE7m6nKGcP0mTNx4=",
+      "requires": {
+        "typo-js": "*"
+      }
+    },
     "collapse-white-space": {
       "version": "1.0.6",
       "resolved": "https://registry.npmjs.org/collapse-white-space/-/collapse-white-space-1.0.6.tgz",
@@ -6513,6 +6526,11 @@
         "repeat-string": "^1.0.0"
       }
     },
+    "marked": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/marked/-/marked-1.1.1.tgz",
+      "integrity": "sha512-mJzT8D2yPxoPh7h0UXkB+dBj4FykPJ2OIfxAWeIHrvoHDkFxukV/29QxoFQoPM6RLEwhIFdJpmKBlqVM3s2ZIw=="
+    },
     "mathml-tag-names": {
       "version": "2.1.3",
       "resolved": "https://registry.npmjs.org/mathml-tag-names/-/mathml-tag-names-2.1.3.tgz",
@@ -9321,6 +9339,16 @@
       "integrity": "sha512-VUJ49FC8U1OxwZLxIbTTrDvLnf/6TDgxZcK8wxR8zs13xpx7xbG60ndBlhNrFi2EMuFRoeDoJO7wthSLq42EjA==",
       "dev": true
     },
+    "simplemde": {
+      "version": "1.11.2",
+      "resolved": "https://registry.npmjs.org/simplemde/-/simplemde-1.11.2.tgz",
+      "integrity": "sha1-ojo12XjSxA7wfewAjJLwcNjggOM=",
+      "requires": {
+        "codemirror": "*",
+        "codemirror-spell-checker": "*",
+        "marked": "*"
+      }
+    },
     "slash": {
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/slash/-/slash-3.0.0.tgz",
@@ -10880,6 +10908,11 @@
         "is-typedarray": "^1.0.0"
       }
     },
+    "typo-js": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/typo-js/-/typo-js-1.1.0.tgz",
+      "integrity": "sha512-W3kLbx+ML9PBl5Bzso/lTvVxk4BCveSNAtQeht59FEtxCdGThmn6wSHA4Xq3eQYAK24NHdisMM4JmsK0GFy/pg=="
+    },
     "ua-parser-js": {
       "version": "0.7.17",
       "resolved": "https://registry.npmjs.org/ua-parser-js/-/ua-parser-js-0.7.17.tgz",